Cheap Sand Pendulum
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The magic of the pendulum has been studied for centuries. Start it gently swinging, and watch the path the pendulum takes through the sand, swinging slowly back and forth into beautiful elliptical loops and whorls. Different start angles provide different patterns. Place it on table or desk, and witness the beauty of gravity and momentum at work. Sand included. Size 20"H X 9-1/4"W
Sand Pendulum
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ccccc The magic of the pendulum has been studied for centuries. Start it gently swinging, and watch the path the pendulum takes through the sand, swinging slowly back and forth into beautiful elliptical loops and whorls. Different start angles provide different patterns. Place it on table or desk, and witness the beauty of gravity and momentum at work. Sand included. Size 20"H X 9-1/4"W
Sand Pendulum based on 98 ratings
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