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Koa Koa

Make a hand-crank doorbell kit

Style  211176597


Perfect for your tiny mechanic, this kit by Koa Koa features more than 20 elements to assemble in order to create a hand-crank doorbell. Your little one will not only have fun, but also learn about gear trains, the friction effect, and the transmission of sound.

Koa Koa - Make a hand-crank doorbell kit

US$45

all taxes and duties included

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Perfect for your tiny mechanic, this kit by Koa Koa features more than 20 elements to assemble in order to create a hand-crank doorbell. Your little one will not only have fun, but also learn about gear trains, the friction effect, and the transmission of sound.

  • Recommended for ages 6 years and above
  • Medium difficulty, 45-minutes assembly
  • More than 20 elements to assemble
  • No tools needed

Delivery service is available for this item, and is covered by our Return & Exchange Policy. The item must meet the requirements of “Sellable Condition” under our Terms and Conditions.

For more information, please refer to Delivery & Shipping and Return & Exchange.

  • Description

    Perfect for your tiny mechanic, this kit by Koa Koa features more than 20 elements to assemble in order to create a hand-crank doorbell. Your little one will not only have fun, but also learn about gear trains, the friction effect, and the transmission of sound.

  • PRODUCT INFORMATION
    • Recommended for ages 6 years and above
    • Medium difficulty, 45-minutes assembly
    • More than 20 elements to assemble
  • FIT & STYLING
    • No tools needed
  • Shipping & Return

    Delivery service is available for this item, and is covered by our Return & Exchange Policy. The item must meet the requirements of “Sellable Condition” under our Terms and Conditions.

    For more information, please refer to Delivery & Shipping and Return & Exchange.


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