ETA hand2mind Simple Wooden Machine Collection: Work, Force, and Energy Models, Set of 12
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<b>[Product Information]</b><br>
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<li>Precision made wooden models</li>
<li>Set includes 12 different models</li>
<li>Each model includes a teacher’s guide</li>
<li>Models included are: inclined plane/cart, gear train, pulley, screw, pendulum, gear rack, lever, motion converter, fulcrum balance, wedge, block/tackle, and wheel & axle</li>
<li>Provides great hands-on experience with concepts of work, force, and energy</li>
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