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Batteries & Circuits
Need materials for a study on batteries or circuits? We offer batteries, light bulbs, wire, switches, and several kits so you can do a complete battery and circuit lab for your homeschool or science fair project. See our teaching tip for more information about Batteries and Electromagnets.
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Bulb, screw base, 3.7-volt
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Bulb, screw base, 6.3-volt
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Bulb, fluorescent spiral, 15 watt
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Lamp Socket Adapter
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$0.70
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Best light bulb for all-around electronics project use. Use with D-size or ... more
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$0.70
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Light bulb for use with 6-volt battery.
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$5.95
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This 15-watt spiral fluorescent bulb fits a standard-size household light s... more
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$2.95
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This lamp socket adapter plugs into a standard outlet or extension cord to ... more
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Buzzer, piezo-electric, DC
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Switch, knife type, SPST
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Switch, knife type, DPDT
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Wire, bare copper, #24, 25 ft.
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$3.50
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Use this economical piezo-electric buzzer in experiments that require a doo... more
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$2.00
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Single throw, single pole knife switch. Has screw terminals to connect wire... more
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$3.70
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Double pole, double throw knife switch. Has screw terminals to connect wire... more
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$2.00
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1 2 3 4 (Of 4) View All
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