Newton's Gravity Glass is a sand-filled hourglass suspended in a liquid-filled glass cylinder. The chrome 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. Standing 8" tall, this metal timer is sturdy and well crafted. Watch it in action!: https://youtu.be/TytJDURrVyo
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 been transformed...
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...
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...