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List of products by manufacturer KOA KOA 
-50%KOA KOA MAKE A HANDCRACK DOORBELL
KOA KOA MAKE A HANDCRACK DOORBELL - This DIY kit will allow you to build a superb doorbell for the door of your room. You will discover, by building it, gear trains and basic mechanical principles such as friction effect. You will manipulate a lot of material: nuts, screws, washer, joins, tightening rings, and even a hair elastic. Each step of the...
14,95 € 29,90 € -50%
-50%KOA KOA MAKE YOUR OWN FLASHLIGHT
KOA KOA MAKE YOUR OWN FLASHLIGHT - This science kit contains everything you need to build a flashlight and understand the basics of electricity. You will discover the electrical components to build an electrical circuit. But moreover you will understand the mysteries of electricity. Finally a lamp that doesn't hide its wires in a black box but highlights...
14,95 € 29,90 € -50%
-50%KOA KOA BUILD ANIMAL VISION GLASSES
KOA KOA BUILD ANIMAL VISION GLASSES - This manual activity kit will give you an amazing experience: You have to climb into the skin of animals and see the world like them! You will understand that our vision is not the same, and even lose some direction. An original, interesting optical game. An amazing experience between science and imagination!
14,95 € 29,90 € -50%
KOA KOA MAKE YOUR OWN PENCIL SHARPENER KIT
KOA KOA MAKE YOUR OWN PENCIL SHARPENER KIT - Koa Koa takes you on a journey inside the world of objects to craft a pencil sharpener to discover pinion gears. Assemble the pencil sharpener using: spacers, bolts, screws, crank and of course pinion gears. But that's not all! With this activity, you will familiarize yourself with recycling! You will need to...
29,90 €