cog wheels experimental kit

WK 5850

Regular price $76.00
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Only 5 items in stock!

Cog wheels are fascinating - they allow the transmuting of speed from fast to slow. In this kit, the principles of gears and chronometers are also covered.

Assembly and play recommended for 10+ yrs.  Particularly suited to Grade 7.

Instructional booklet with explanations in English & German.

Made in Germany.