Current balance, classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field, One half of the balance is placed inside a solenoid, other half has an adjustable counterweight
Squishy Circuits Deluxe kit, It comes with more items than the standard kit and comes with pre-made doughs, This kit also includes a deluxe battery holder which has a knob that allows your lights to blink and buzzers to beep at different speeds.
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