2-Minute Newton Gravity Timer (Purple)

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Price: $15.95

Stock Status:In Stock
Product Code: 15765

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Description

From the manufacturer:

"Newton's Gravity Glass is a sand-filled hourglass suspended in a liquid-filled glass cylinder.

The Gravity glass is an awesome desk-topper and a question-generating educational tool. When the cylinder is flipped, the sand within the hourglass moves down while the hourglass itself floats up"

8" tall, glass.

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