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Potato Clock with No Mess Holder, Fruit Clock
mpn: LC20719, ean: 0851214008227,
This Potato Clock is designed to demonstrate the principle of an electrochemical cell. The LCD clock runs on 2 potatoes, oranges, lemons, grapefruits or cans of soda. The no-mess design with attached electrodes is great for young experimenters, and a...
Induction Coil, Faraday's Magnetic Field Induction Apparatus
mpn: B01F2LKMCW, ean: 4927656422139,
Michael Faraday discovered electromagnetic induction in 1831. He hypothesized that a changing magnetic field is necessary to induce a current in a nearby circuit. To test his hypothesis he made a coil by wrapping a paper cylinder with wire. He connec...
Sci-Supply SS77658-20 Sci-Supply Bulk Stopwatches (Pack of 20)
mpn: SS77658-20, ean: 0002394295123,
Sci-Supply bulk stopwatches, package of 20. These convenient and economical stopwatches are durable and dependable. Lanyard and button cell battery are included!Brand new model for 2018 (August 2017 Release). These are fantastic economy stopwatches!S...
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