Demonstraton Electric Bell


The large size of this battery operated apparatus allows students to better understand the operation of this basic circuit. Works on 9 V Battery. Includes Instructions. On wooden stand.

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PH50135

The large size of this battery operated apparatus allows students to better understand the operation of this basic circuit. Works on 9 V Battery. Includes Instructions. On wooden stand.

رمز المنتج: PH50135 التصنيف: