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Science First™ Field Map Kit
Group and compare lab plots and see representations of electrical fields.
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|For Use With (Application)
Cork board cover; 25 sheets black conductive paper, 20 × 25cm grid; 100 sheets white paper, 20 × 25cm grid; template; conductive ink pen; four connecting wires with alligator clip leads; illustrated instructions
12VAC power supply or 1.5V battery, digital voltmeter (10 megohms or greater)