Experiment with positive/negative charges, attraction and repulsion between charges, and charging and discharging. The set includes one solid glass rod ( 3/16″ x 8″), one solid acrylic rod ( 3/8″ x 8″), one hard rubber rod ( 3/8″ x 8″), one cotton pad (12″ x 12″), one simulated rabbit fur pad, one silk pad (12″ x 12″), and instructions.
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