Clocks and Watches
Planisphere Watch
See the constellations visible in the Northern Hemisphere on this watch!
Item#: 10357 Age: 10+
(3 customer reviews)
Lemon Clock
You will be able to explore the science of batteries using this lemon clock!
Item#: 14617 Age: 6+
Laboratory Counter / Timer
This laboratory counter/timer is perfect for science projects or lab experiments!
Item#: 14256 Age: 8+
Two Potato Clock
Use this clock to demonstrate the principles of an electrochemical cell!
Item#: 13973 Age: 5+
Water Clock
LCD display clock tells date and time using only water and metal probes - demonstrates conservation of chemical to electrical energy.
Item#: 15671 Age: 8+
World Map Wall Clock
Space meets time as you travel around in world in 24 hours with this nifty world map wall clock! The vibrant vintage map print will spark your imagination and tickle your travel bug, while the metal clock hands slowly traverse the globe.
Item#: 16286 Age: 6+
