Squishy Circuits Switch

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About Switch Add the switch in series with your Squishy Circuits to turn them on or off quickly and easily! Wire colors do not matter for switches, they either allow electricity to pass through them (when the switch is a '1') or do not let electricity pass through (when the switch is a '0'). The '1' and '0' are universal symbols of on and off based on bits in binary coding (how all computers and circuits are programmed). Show more