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The batteries (B3) produce an electrical voltage using a chemical reaction. This “voltage” can be thought of as electrical pressure, pushing electrical “current” through a circuit. This voltage is much lower and much safer than that used in your house wiring. Using more batteries increases the “pressure” and so more electricity flows
Uses 3 AA (1.5V) Alkaline Batteries
Product Code: | Snap Circuits SCB3 - 4.5V Battery Holder |