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Clocks and Watches


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Photo of the: Two Potato Powered Clock

Two Potato Powered Clock

Use this clock to demonstrate the principles of an electrochemical cell!

Item#: 13973 Age: 15+
5 star rating (1 customer reviews)

Photo of the: Water-Powered Digital Clock

Water-Powered Digital Clock

LCD display clock tells date and time using only water and metal probes - demonstrates conservation of chemical to electrical energy.

Item#: 15671 Age: 13+

Photo of the: Laboratory Counter / Timer

Laboratory Counter / Timer

This laboratory counter/timer is perfect for science projects or lab experiments!

Item#: 14256 Age: 14+

Photo of the: Digital Stopwatch - 100th of second

Digital Stopwatch - 100th of second

This electronic stop watch comes complete with battery and carrying cord.

Item#: 16937 Age: 14+
5 star rating (1 customer reviews)

Photo of the: Lemon Clock - DIY Fruit-Powered Clock

Lemon Clock - DIY Fruit-Powered Clock

You will be able to explore the science of batteries using this lemon clock!

Item#: 14617 Age: 6+


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