GWS035-1
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Newton's Gravity Glass is a sand-filled hourglass suspended in a liquid-filled glass cylinder.
Measures 5 minutes of time with either blue, yellow, or purple color liquid. A perfect corporate gift!
The Gravity glass is an awesome desk-topper and a question-generating eductional tool. When the cylinder is flipped, the sand within the hourglass moves down while the hourglass itself floats up
8" tall
Hourglass inside the cylinder is a 5 minute timer.
$22.99
4 LEFT! As the Victorian cotton and woolen mills closed throughout the industrial North of England and Scotland over the last 40 years the antique wooden bobbins and shuttles left behind have...
$16.99
NEW AND NOW IN STOCK! 4" tall, this adorable timer will fit anywhere. Measures 1 minutes of time with black or white sand and is quite sturdy. We've gotten lots of...
$6.99
Filled with white sand and encased in plastic with bright blue caps this timer is ideal for playing games, time out for children or timing conversations! Specifications: 1"D x 4"H...