Simple Machine - Screw Model

Simple Machine - Screw Model
Item: 28263
Status: In Stock
$33.95

This model is composed of a base and elevated board holding a screw. It is made from sturdy wooden construction and is ideal for classroom use. The model will show students how additional leverage can be useful. Includes an instruction manual. Made of particle board and wooden components. Measures 7 1/2"W x 4"H x 4"D.

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