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United Scientific Supplies Inc. Friction Apparatus

Set Includes A Friction Block And A Friction Board. The Friction Block Has A Hook For A Spring Scale And Three Compartments For Additional Weights. He Set Comes With Three 50G Weights And A 100G Spring Scale. Includes An Activity Guide.

Original price $24.04 - Original price $24.04
Original price
$24.04 - $24.04
Current price $24.04

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