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Gear train model easily demonstrates how gears work at a basic level to make work easier. Made of particle board and wooden blocks. Consists of three wooden gears and a hand crank.
No assembly required. Includes an instruction manual to facilitate use of the apparatus by students and teachers. Durable construction makes this model ideal for classroom use.
Gears are 4.75" in diameter. Mounted to a base measuring 16.25" x 3.5".