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Koa Koa Build a Hand Crank Doorbell

29.95

Let children build their own toys to understand art, science and technology. Make a hand crank doorbell and learn by making…6 years+

Out of stock

Description

MAKE Use the gears, bike bell, screws, washers, nuts, etc. to build a doorbell for your room! LEARN The crank, the rack, the pinion, and how cog wheels work. PLAY Turn the crank: look at the gears enter into mot ion, then push the hammer that hits the bell. Once it is all put together, you can paint your doorbell. There are 4 holes on the plank so you can screw it to your bedroom door. Koa Koa kits are an opportunity for kids to develop their inventor mindset, their problem solving skills and to do something incorrectly as a way to learn. Perfect from 6 years.

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