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Newton's Gravity Glass - 2 Minute Blue

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Fascinating and elegant, this beautiful hand-blown glass sand timer features double action powered by gravity. When you flip the Newton's Gravity Glass over, the hourglass within the liquid-filled glass cylinder gradually moves upward as the sand within it falls. The sand takes approximately 2 minutes to flow to the bottom of the hourglass. This is an awesome desk accessory that will entertain you and your co-workers as you try to figure out how it does that double gravity thing!

Item #:

2169

Our Price:

$12.99

Quantity:

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Details

7.75" tall x 2.25" diameter, hand-blown glass, liquid-filled outer cylinder, glass hourglass with blue sand. Time is approximately 2 minutes, but may vary.