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Little Discoverer 🔬
51 science experiment kits for kids from kindergarten to grade 6: experiments in physics, chemistry, biology and engineering, with safe tools and an illustrated guide for every experiment. Children learn science with their own hands and turn curiosity into discoveries.
+1,000 science experiments51 kits3–12 years
For schools, centers and parents. Choose a kit and click “Request a quote”, and we'll send you the quote and invoice including shipping via WhatsApp. Special prices for volume orders.
Ages 3–4
Kindergarten
Kindergarten Experiments – Junior Class (Part 1)
Science Kit · VD-EX01
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
The balancing bird, Water that turns clear, The disappearing flowers, Meeting water, Undersea volcano, Water and oil don't mix… and more.
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Spreading light, The doctor's stethoscope, My five senses, Dinosaur fossil, Naughty corn kernels, Little guitar… and more.
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Making a simple fan, The cat goes fishing, Color-mixing expert, Sensing magnetic force, Sorting waste, Volcano eruption… and more.
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Milk animation, Rainbow pinwheel, Floating beads, Turning into a little dinosaur, Seed germination, The little sheep weaves cloth… and more.
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Musical bottles, The rolling capsule, The megaphone, The spinning snake, Salt-water electricity, Shadow play… and more.
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Zooming in and out, The magic tree, Food samples, Making a spinning top, Magic color change, Balloon helicopter… and more.
Kindergarten Experiments – Pre-School Class (Part 1)
Science Kit · VD-EX07
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Color relay, How viruses spread, Making a thermometer, The human skeleton, Balloon-powered boat, The candle that draws up water… and more.
Kindergarten Experiments – Pre-School Class (Part 2)
Science Kit · VD-EX08
A science experiment kit for kindergarten with 16 fun experiments, safe tools and illustrated instructions, where children discover science through play, observation and experimentation.
16 experimentsIllustrated guideSafe tools
Air pressure, Recoil-powered car, The floating and sinking sprite, The tightrope clown, Electromagnet, Pull-string spinning top… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Magnetic frog, Little bear climbs the rope, Electric fan, Fruit electricity (light bead), Pinhole camera, Cat and mouse… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Making a periscope, Volcano eruption, Hand-cranked mini fan, Assembling gears, A bottle that blows up a balloon, Color-changing little dinosaur… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Strong muscles, How the lungs breathe, The scribbling robot, The ball you can't blow away, Phenakistiscope mirror, Hand flashlight… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Telescope, Adding and subtracting colors, Magnetic car, Making a calendar, The strange double-track slope, Simple mechanical hand… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Mars lander, Magic rolling pendulum, Recoil-powered car, The fair cup, Making an air pump, Separating iron sand… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Magic color change, Catapult cart, Map puzzle, Unicycle cart, Paper-circuit mini desk lamp, Hand-cranked windmill… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
DC motor, Air conditioner, Hydraulic shark, Jeep, Basketball launcher, Centrifugal dryer… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Spinning machine, Radar detector, Ancient script carving, Solar windmill, Hovercraft, Plant garden… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Globe, Air-powered car, Ping-pong ball elasticity model, Grid animation, Bionic flying bird, Shadow puppet theater… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Fingerprint identification, Shock absorber, Holographic projection, Wind power generation, Revolving lantern, Quiz buzzer… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Conveyor belt, Water dragon boat, Lifting elevator, Red and green traffic light, Automatic ball launcher, Wireless power transfer… and more.
A progressive science experiment kit for elementary school with 16 hands-on experiments in physics, chemistry, biology and engineering, in which students build models and experiment by hand.
16 experimentsIllustrated guideSafe tools
Obstacle-avoiding robot, Electromagnetic swing, Submarine, Hand pressure water pump, Seven-color mini desk lamp, Remote-controlled paddle boat… and more.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
245 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
245 experiments
Content
23 types of materials
Suitable age
Ages 6+
Packaging
Color box
Weight
395g
Box size
240*200*60 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
200 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
200 experiments
Content
16 types of materials
Suitable age
Ages 6+
Packaging
Color box
Weight
300 g
Box size
308*241*74 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
210 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
210 experiments
Content
16 types of materials
Suitable age
Ages 6+
Packaging
Color box
Weight
350 g
Box size
205*182*66 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
210 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
210 experiments
Content
16 types of materials
Suitable age
Ages 6+
Packaging
Storage box
Weight
300 g
Box size
205*182*66 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
368 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
368 experiments
Content
19 types of materials
Suitable age
Ages 6+
Packaging
Color box
Weight
500 g
Box size
308*241*74 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
480 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
480 experiments
Content
31 types of materials
Suitable age
Ages 6+
Packaging
Color box
Weight
700 g
Box size
308*241*74 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
688 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
688 experiments
Content
44 types of materials
Suitable age
Ages 6+
Packaging
Color box
Weight
1200 g
Box size
360*262*85 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
688 experimentsIllustrated guideSafe tools
A safe chemistry experiment set for kids with real lab tools: colorful reactions, bubbles, crystals and amazing experiments, with an illustrated guide for each one.
Box contents
Number of experiments
688 experiments
Content
44 types of materials
Suitable age
Ages 6+
Packaging
Storage box
Weight
1250 g
Box size
290*200*230 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
6 modelsIllustrated guideSafe tools
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
Box contents
Number of experiments
6 models
Content
6 model sets
Suitable age
Ages 7–14
Packaging
Color box
Weight
1371g
Box size
380*280*90 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
8 modelsIllustrated guideSafe tools
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
Box contents
Number of experiments
8 models
Content
8 model sets
Suitable age
Ages 7–14
Packaging
Color box
Weight
97.5g
Box size
325*80*290 mm
Experiment list
See photos of the experiments and the full materials list in the gallery above.
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
9 modelsIllustrated guideSafe tools
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
Box contents
Number of experiments
9 models
Content
9 model sets
Suitable age
Ages 7–14
Packaging
Color box
Experiment list
See photos of the experiments and the full materials list in the gallery above.
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
9 modelsIllustrated guideSafe tools
Science models that students assemble themselves and run with a motor and battery, learning about motion, energy, electricity and balance in a hands-on way.
Box contents
Number of experiments
9 models
Content
9 model sets
Suitable age
Ages 7–14
Packaging
Color box
Experiment list
See photos of the experiments and the full materials list in the gallery above.
A complete box that turns the science lesson into a hands-on experience: students build electrical circuits, run the motor and bell, and discover magnets, electromagnets and generating electricity. Aligned with the electricity and magnetism topics in elementary science curricula.
Standard edition52 pieces · 17 experiments
Advanced edition61 pieces · 22 experiments
Features
🔣 Circuit symbols on the partsEach part carries its scientific symbol (+ and − for the battery, L for the bulb, S for the switch), so students easily learn to read circuit diagrams.
📘 Illustrated guide and videosA guide explaining each experiment step by step, with educational videos via QR codes.
🧲 Electricity and magnetism togetherCircuits, magnets, magnetic levitation, and turning motion into electricity with the hand generator.
📦 A box that opens 180°A sturdy storage box that opens fully for sorting and grabbing parts easily. Size 20.4 × 15.3 × 9.5 cm.
✅ Safe and testedPassed safety tests, made of ABS, PP and metal.
🔧 Spare partsWe replace any missing or damaged part.
Sample experiments
Series circuitParallel circuitElectric motorElectric bellBuzzerElectromagnet
And other experiments: the hand generator, the compass, the magnetic car, magnetic levitation, static electricity with a balloon, the metal-plate battery, and conductors and insulators.
Advanced edition contents
Electric motor · hand-crank generator · electric bell · buzzer · hidden circuit box · electromagnet · two bulb holders · two knife switches · two battery holders · multi-base · compass · magnetic needle · magnetic car · U-shaped magnet · large and small bar magnets · two ring magnets · magnetic levitation stand · 6 wires and 2 clip wires · 4 copper and 4 zinc plates · 4 2.5V bulbs · two LEDs · fan · two balloons · paper clips · screwdriver · experiment guide · storage box
The standard edition does not include: the electric bell, the buzzer, the hidden circuit box and the electromagnet.
A hands-on course in which students learn the basics of structural engineering and simple machines by building real models: stable shapes, strong walls, levers, pulleys, wheels, gears and racks, then run their models with a motor and battery. Each activity has science goals, building tasks, an experiment, recording results and an extension question.
12 activitiesA hands-on lesson per activity
684 piecesBeams, gears, pulleys, wheels, motor
What does the student learn?
🧱 Parts and their functionsPins, beams, perforated bricks, axles, pulleys and gears, and when to use each.
🔺 Shapes and stabilityWhy the triangle is the strongest shape, and how cross bracing makes a wall strong.
⚖️ Simple machinesThe lever, the fixed pulley, the wheel and axle, and how they make work easier for people.
⚙️ Motion transmissionSpur, crown and bevel gears, belts and racks, and changing speed and direction.
🧪 Experiments and measurementRecording the relationship between weight and distance, and comparing sliding and rolling friction.
💡 Thinking and innovationOpen challenges and designing models from daily life, then presenting and sharing them with classmates.
The 12 activities
01 Circle, Straight Line and TriangleConnecting beams, building a triangle and a square, and discovering why the triangle keeps buildings and bridges stable.02 The QuadrilateralBuilding pliers and expandable, foldable four-sided structures like accordion gates.03 Strengthen Our HouseBuilding two walls with different structures and discovering the strength of cross bracing, then designing a sturdy house.04 The Eiffel TowerAn engineering challenge: build the tallest stable tower in 30 minutes, and understand gravity and the center of mass.05 We Can Lift the EarthBuilding a vise and a seesaw, and discovering the lever principle and the relationship between weight and distance.06 Wheels and PulleysPulleys of different sizes and changing speed, and building a well-pulley model.07 Raising the FlagThe fixed pulley and changing the direction of force, as in a flagpole, and building a fishing rod.08 The spinning carouselRunning the motor and battery, transmitting motion with a belt and changing rotation speed.09 Wheels and FrictionAn experiment on sliding and rolling friction with recorded results, then building a wheelbarrow.10 GearsThe driving, driven and idler gears, comparing gears and pulleys, and building a fan.11 Crown and Bevel GearsChanging the direction of motion at a right angle, and designing models from daily life.12 The RailwayThe rack and turning rotation into straight-line motion, and building a telescopic pole and a folding clothes rack.
By the end of the course, students build complete machines such as a tower crane, an elevator and a fan, and explain how they work.
Little Explorer: Building the City's Machines and Animals
A fun course for young children in which they build, with big, safe blocks, the construction machines, vehicles and animals around them: an excavator, a bulldozer, a crane, a helicopter, a sailboat, a dog, a bird and a dragonfly. Children learn to use a screwdriver, arms and rotating parts, and get to know each machine's function and safety rules.
12 activitiesA fun lesson per activity
Ages 4 – 7Big, safe blocks and a kids' screwdriver
How does each activity work?
💭 ImagineA question or real-life story opens the topic, e.g. how can we move a mountain to build a house?
🔍 ExplorePictures and discussion about the machine's or animal's shape, parts and function.
🧩 Solve the problemA building task with clear requirements: a stable model, a part that rotates and an arm that moves.
🛠️ Reference modelA picture of the model helps the child, who can add their own touch.
🎤 ShareThe child presents their model and talks about how it was built and any difficulties they faced.
🦺 Safety and valuesSafety signs, cooperation, kindness to animals and a love of exploration.
The 12 activities
01 The Useful ExcavatorThe excavator's shape, parts and uses, and using the screwdriver, the arm and the 360° rotating seat.02 The BulldozerBuilding the bulldozer and its bucket, and learning simple safety signs.03 The DrillerThe driller's parts and uses, building with the robotic arm and problem-solving.04 The CraneBuilding the crane's base and hook, and learning safety rules on construction sites.05 The Big TruckThe truck's structure and functions, and trying more than one way to build.06 Warehouse AssistantThe forklift and how it lifts goods, and developing observation from daily life.07 My DogA dog's traits and habits, building a dog creatively, and developing kindness to animals.08 The Flying BirdTypes of birds and their shared traits, and building a bird with different parts.09 The DragonflyThe dragonfly's shape and life stages, and building long and short arms.10 The HelicopterThe helicopter's parts and the rotor's role in flight, and safety awareness.11 The SailboatThe sailboat's features and uses, and developing a spirit of cooperation.12 The MicroscopeThe microscope's shape and how it works, and developing a love of exploration.