PIRA Classification: 5K40.10
Description: A small coil of wire, at the end of an arm, is free to rotate in a magnetic field. A 12 V battery provides DC current to the coil. When the switch between the battery and coil is closed, the coil rotates.
Special Instructions: If the coil doesn't rotate, turn it slightly.
Condition: Good
Setup time: 1 minute
Safety Issues: None