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An introductory kit for an entire unit exploring the basics of simple machines: inclined planes, levers, screws, wedges, axles with wheels, and gears. Ten hands-on experiments employing simple machines, most of which students build. Students culminate their studies with the ability to create their own simple machines. Includes instructor manual, extensive student worksheets, complete answer key, extension activities, hammer, pulleys, spring scales, rulers, string, weights, nails, screws, fulcrums, nuts and bolts, paper clips, and marbles. Meets national standards for grade levels 5-8.