A fascinating K'NEX set allowing 7 different geared models to be built - Fan, Car window, Blender, Phonograph, Eggbeater, Stationery bike and Chainsaw.
When used at school or college, enables teachers help their students to understand the principles of gears. Supports 2-4 students working as a team.
Includes 51-page teacher's guide, which contains a wealth of information on gears and 5 comprehensive lesson plans.
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