Elementary Simple Machines Kit with Activity Guide
by United Scientific
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This kit is recommended for grades 3-8. This set is ideal for introducing students to the concepts of changing force by leavers and pullys and the notions of mechanical advantage. The manual describes experiments with the three types of levers, single and double pulley systems and shows the characteristics of each machine.
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Kit Includes:
Shipping Weight 6.5 pounds.
 Dimensions:22 x 10 x 5 inches.
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