Koa Koa

Make a hand crank doorbell - Koa Koa

€29.00 (incl. VAT)
Available
Made in Europe

This kit contains everything you need to…

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48 hours international shipping.

This kit contains everything you need to build a bell for your room operated by gears and a crank. Everything you need is included : gears, screws, nuts, washers, etc. Once you’ve built your doorbell : turn the crank, watch the gears enter into motion to hit the bell and make it ring. You can add colors (with paint or oil pastels) and fix it to your door.

What are you going to learn ?

- How gears work.
- Movement transmission and gears train.
- The different types of gears (rack, pinion, cycloid, bevel gears, etc).

Make a hand crank doorbell with this DIY kit for children from 6 years old.

CAUTION! This item is not suitable for children under 3 years, the presence of small parts which can be ingested. If swallowed, these parts can cause serious infections and death, immediately consult a doctor.
  • Materials : Wood & Other materials
  • Size : 27 X 18 X 5 cm
  • Number of components : 1
  • Age group: De 6 à 10 ans
  • Brand : Koa Koa
  • Manufacturer reference : Sonnette de porte
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