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Mars, Jupiter, Venus, Saturn – with the colourful bouncy planets, children create their first jumping universe!
Simply mix or layer the special colour granules in the planet shapes and place in the water. After just a few minutes, the fantastically patterned jumping balls are ready!
Tips and tricks explain how to pour planetary rings and make a colourful mobile from the dried balls.
Our tip: pick up some granules for later to extend the bouncing fun. Since we have dispensed with additives, the bouncy balls lose their bounce after one to two days.
A fun experiment set from Kosmos to try and discover for children aged 8 and over.
Investigate physics using technology from medieval times! Build six sleek, updated models of catapults, trebuchets, and other medieval launchers. These classic siege weapons from the middle ages also happen to be great tools for teaching physics, including lessons in force, energy, motion, and projectiles. A catapult is a medieval ballistic device that uses mechanical rubber bands and counterweights to fling projectiles — in this case, foam balls — into the air.
The 32-page, full-colour manual has illustrated step-by-step instructions for building the models and conducting the experiments. Build 6 functional models of catapults, crossbows, and other medieval siege weapons that launch foam balls and soft darts
Learn mechanical physics with simple experiments that demonstrate topics like force, energy, motion, and projectiles.
Learn about reactions between solids, liquids, and gases. Discover the colourful effects of acids and bases. Perform astonishing “magic” tricks for your friends. Make fizzy and foamy reactions. Write messages with invisible ink. Investigate metals and salts in electrochemical experiments with a 9-volt battery (not included).
Learn for yourself how chemistry goes far beyond textbooks and laboratories to explain occurrences that happen around us every day.
The Chem 500 48-page, full-colour experiment manual gives simple instructions for setting up and performing each experiment, and then clear explanations of what happened and why.
This kit is ideal for children who are interested in chemistry but who are not yet ready for a more advanced chemistry set. It serves as an excellent introduction to our other chemistry sets.
Keep your secret hiding places safe with this self-build alarm system.
Protect your items with a siren and warning light whilst learning about circuits and electronics.
Extra: The kit also turns into a Morse device to transmit important messages.
Simple step-by-step instructions explain the easy assembly and teach Morse code.
The Kosmos experiment box is a perfect gift for a children’s birthday party and a great way to protect their other presents!
Grab your wand! With high-quality magic props and simple illustrated instructions, the 100 magic tricks in this kit can be easily learned, practiced, and mastered — to stun and amaze audiences!
Dots appear and disappear in paddle tricks. Make playing cards come and go and change places. In tricks with money, currency loses value, money doubles in value, and coins disappear from a coin box and then reappear. Coins pass through handkerchiefs, disappear into thin air, and magically stay put when they shouldn’t! Paper money disappears and milk appears out of nowhere in tricks with tubes. A number of tricks involve knots and ropes: Knots in ropes untie themselves, jump from rope to rope, and disappear. A rope passes through solid objects.
A 72-page Magic Silver Edition instruction manual with colour photographs illustrates how the tricks are performed. Video tutorials for the tricks in Magic Silver edition are available online. For one magician, ages 8 and up, and many audience members.
Grow mimosas yourself and test their lightning-fast reactions.
This complete experiments set contains seeds, soil, plant pot and a greenhouse – all you need to grow these clever little plants.
Exciting observations: This clever plant can contract its leaves in seconds with the smallest touch.
This Kosmos experiment box is a great starter set in the world of gardening for children aged 6 and over.
The product instructions are multilingual: German, English, French, Italian, Spanish, Dutch
Spring into action! Buxy, the jumping robot is made from the tracks of an old snowmobile, a waffle iron, and some rubber bands.
+ Fast and easy to build
+ Demonstrates cams, springs, and motors in action
+ Powered by an electric motor
+ Combine the parts from different ReBotz kits to build your own creations.
Ready to shred! A few clicks and Duke is ready to cruise through your room on its skateboard base, using an umbrella and broom to propel itself forward.
+ Fast and easy to build
+ Demonstrates wheels, cams, and motors in action
+ Powered by an electric motor
+ Combine the parts from different ReBotz kits to build your own creations.
Knock, knock, knocking on wooden floors — this wacky walking Pitti ReBotz is pieced together from a tennis racket, hammer, and the rear wheels of a tricycle.
+ Fast and easy to build
+ Demonstrates wheels, slider cranks, and motors in action
+ Powered by an electric motor
+ Combine the parts from different ReBotz kits to build your own creations.
Robots ahoy! This crawling robot is cobbled together from two halves of an old pirate ship’s wheel, and scoots along the floor on a repurposed iron and snow ski.
+ Fast and easy to build
+ Demonstrates cranks, cams, and motors in action
+ Powered by an electric motor
+ Combine the parts from different ReBotz kits to build your own creations.
Breed your own prehistoric crustaceans! As soon as the eggs are placed in the salty water the larvae hatch, which them grow into small brine shrimp.
Learn how these creatures have survived for millions of years. You can find everything you will need in this experiment kit, including a magnifying glass.
Cool action in the children's room: in this Kosmos experiment set, children create fascinating bubbpng effects in a rocket base.
Simply follow the easy step by step instructions, pour the coloured water, oil and and effervescent tablet in the right quantities into the rocket station and off you go.
Wild bubble bubbles rise up and down – but why? The secret is in physics, which explains the instructions to curious researchers children clearly and age-appropriate.
The LED lamp creates great colour effects that even glow in the dark. The rocket quickly turns into a small lava lamp.
The Kosmos Space Bubbles experiment box – the perfect gift for children aged 8 and over.
- Dust for fingerprints and identify your suspects
- Essential fingerprinting tool for aspiring spies and sleuths
- Use the black powder to dust for fingerprints on surfaces, then lift and save the prints with included clear stickers
- Learn how to identify fingerprints
- 100% safe, non-toxic powder
- Packed in durable metal tin
As a detective, you always need the right tools when you are on the hunt for evidence. Grab the Pocket Metal Detector when you are looking for metallic objects.
If any metallic clues or pieces of evidence are hiding nearby, your Pocket Metal Detector will help you find them. This Spy Labs tool will detect metal through other materials like thin layers of soil, fabric, or paper and alert you with an audible beep. Let the hunting begin!
- Uncover buried treasures, reveal hidden evidence, and unearth concealed clues
- Search for metallic evidence, coins, clues, and treasure
- Alarm sounds when metal objects are detected
- Adjust sensitivity with a simple turn of a knob
- Packed in durable metal tin
As a detective, you need the right equipment for your investigations, including tools to make and decipher codes.
Throughout history, encrypted codes have been used to communicate classified information, ensuring that it was concealed and could only be read by the right parties. This kit contains the tools you need to make and exchange your own secret coded messages using four different techniques.
- Use the code wheel to write and unravel secret codes
- Learn how to write four different types of secret messages with code and ciphers
- Packed in durable metal tin
- Use the special invisible ink pens to write top secret letters
- One pen writes in invisible ink, second pen makes the writing visible
- Includes tips and tricks for writing other secret communications
- Packed in durable metal tin