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egg incubators,
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compound microscopes,
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Batteries & Circuits
 Everything you
need for experimenting with batteries and circuits!We offer batteries, light bulbs,
buzzers, wire, alligator clip leads, switches, and experiment kits so you can do a complete battery and circuit lab for your homeschool
or science fair project. For a related activity, check out our project
video for how to make a tomato
battery.
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Miniature Light Bulbs & Holders
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Solar Cells, assorted power output
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Wire, insulated copper, #24, 15ft.
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Alligator clip leads, 2/pk
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Quickly find the size of miniature light bulbs and bulb holders you need.
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Harness the sun's energy using solar cells. Choose from three different ene... more
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$1.80
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24 gauge solid copper wire with PVC insulation is perfect for connecting ba... more
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$1.50
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Insulated 15" wire leads to quickly connect electrical items.
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Battery, AA-size, alkaline, 4/pack
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Electricity Investigation Kit
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Battery, D-size, heavy duty, 2/pack
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Battery holder & joiner, D cell
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$2.30
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This four-pack of long-life alkaline AA batteries works great for powering ... more
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$26.95
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Learn about parallel and series circuits, motors, electromagnets and solar ... more
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$2.20
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Standard D-size batteries. Order these battery holders to go with this batt... more
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$1.50
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This battery holder securely holds one regular D-size battery and has metal... more
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Battery, 6 volt
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Battery, 9-volt, alkaline
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Multimeter, Digital
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Voltaic Cell Battery Kit
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$4.95
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Heavy duty 6-volt battery with two screw terminals for easy connection.
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$2.60
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9-volt alkaline battery. Order our battery connector cap to use with this b... more
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$12.50
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Measure DC/AC voltage, DC current and resistance using this 19-function dig... more
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$13.95
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Make your own battery with this voltaic cell kit! This voltaic cell kit... more
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