Energy Ball

This is a great little device to use when describing open and closed circuits. This 1.5 inch ball contains two small metal electrodes. When the electrodes are touched simultaneously, the Energy Ball flashes and makes a buzzing sound. A great group activity is to have the participants hold hands. Have one participant touch one of the electrodes while another person at the other end of the circle touches the other electrode. Two people can touch the electrodes and make the Energy Ball buzz as long as everyone around the circle is holding hands.

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