Koa Koa DIY kits enable kids to build their own objects whilst understanding art, science & technology & the simple concepts of mechanics.
The Make a Doorbell Kit will teach about gears, ratios and friction, resulting in a cool doorbell to decorate and hang on a door.
Each kit contains an illustrated brochure in 5 languages: English, French, Spanish, German & Dutch with clear, step-by-step explanations, large illustrations and educational content on the theme.
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