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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, fluorescent spiral, 15 watt
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Lamp Socket Adapter
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Buzzer, piezo-electric, DC
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Switch, knife type, SPST
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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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$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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Wire, bare copper, #24, 25 ft.
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Wire, insulated copper, #24, 100 feet
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Wire, magnet, #24, 25 ft
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Potentiometer, 1000 ohm
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$2.00
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This #24 copper wire is uninsulated.
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$5.50
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24 gauge solid copper wire with PVC insulation is perfect for connecting ba... more
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$2.00
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Solid copper wire with enamel coating.
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$3.00
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This variable resistor is used to regulate the voltage in an electric circu... more
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Resistors, 5 watt, 1 & 5 ohms
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Resistors, set of 20, 1/4 watt
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$3.00
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$4.00
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Contains 10, 20, 100, 220, 470, 1,000, 10,000, 100,000 ohm sizes.
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1 2 3 (Of 3) View All
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