Make your own Hand Crank Door Bell/ Pencil Sharpener

Make your own Hand Crank Door Bell/ Pencil Sharpener

Door Bell

Encourage making, learning and play with by making your own doorbell. Use the gears, bike bell, screws, washers, nuts, etc. to build a doorbell for your room. Learn about how the crank, rack, pinion, and cogwheels work. Turn the crank, watch the gears start turning, then push the hammer that hits the bell. Once it is all put together, you can paint your doorbell whatever colour you like - make it stand out or blend in to the wall, door frame or door. There are 4 holes on the plank so you can screw it to your bedroom door. Made by French company Koa Koa - this brilliant activity toy gives older children the chance to understand mechanisms as they design and make. 



Pencil Sharpener

Discover how bevel gears work while having fun building your own hand cranked pencil sharpener using spacers, gears, screws, nuts…and of course, bevel gears. To build the shavings reservoir, you will have to find an empty jar. And you will learn how to reuse and recycle everyday objects. Made by Koa Koa - these activity sets give childrne the opportunity to develop design and making skills as well as understanding processes and how a product can be developed as there is the opportunity to add colour and pattern to the finished sharpener. 

  • Product


    Suitable age 8+ years

    Size: 27 x 18 x 5cm

    Material: Wood, electric components, plastic, elastics

    Pencil Sharpener

    Size: Approximately 27 x 18 x 5 cm

    Material: Wood, plastic and elastics

     Suitable for ages 7+

£29.00 Regular Price
£17.40Sale Price

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