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With the Wrecking Ball Demonstration for physical science and physics, smash through barriers in student understanding of energy and motion. Build a structure, turn the crank, and watch the destruction.

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Smash through barriers in student understanding of energy and motion! Build a structure using the included wooden planks, turn the crank to wind the hoist rope and then watch the destruction. A great lesson on pendulums, collisions, and how energy is affected by motion. Stands 3' tall with removable boom arm for easy storage. Includes pre-drilled assembly materials, glue, rope, ruler, rubber bands, 20 wooden target planks, and blue print instructions. A great demonstration tool to capture student interest!