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L'étoilée, inspiration Waldorf

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Cog wheels

roues-engrenage
69.00$ each
1 item in stock
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Kraul Experience Kit - Cog wheel

Here's a kit to learn about gears in with this wonderful Kraul science kit. Cog wheel (or Gearwheels) are fascinating to children - they learn about the transmission of speed from fast to slow and slow to fast. The principles of gears and chronometers are also covered.

For children 12+