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Newton's Cradle

Perfect for teaching your students about Newton's laws of motion, Newton's Cradle makes a great addition to any classroom.
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Radiometer

Whenever light shines on the four diamond shaped vanes the paddle wheel spins at up to 3,000 rpm.
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Soother Ooze Tubes

When turned upside down, this colorful viscous liquid takes about ten minutes to flow through a large opening in the sealed plastic container. Two sizes available.
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