Warning:
CHOKING HAZARD - Small parts. Not for children under 3 years. Adult supervision required.
K'Nex - Intro To Simple Machines: Gears
Discover how six simple machines work as you construct a bicycle, egg-beater, crank fan, and more.
Ages 8+
In Stock & Ready to Ship
Need it fast? See delivery options in cart.
Free Shipping on Most Orders $100+
Discover how six simple machines work as you construct a bicycle, egg-beater, crank fan, and more.
Ages 8+
In Stock & Ready to Ship
Need it fast? See delivery options in cart.
Free Shipping on Most Orders $100+
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