Clocks and Watches
Laboratory Counter / Timer
This laboratory counter/timer is perfect for science projects or lab experiments!
Item#: 14256 Age: 8+
Lemon Clock
You will be able to explore the science of batteries using this lemon clock!
Item#: 14617 Age: 6+
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+
Two Potato Powered Clock
Use this clock to demonstrate the principles of an electrochemical cell!
Item#: 13973 Age: 5+
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