PIRA Classification: 5K20.12
Description: A pendulum swings between the poles of a large permanent magnet. Various bobs (copper sheet, aluminum sheet, copper sheet with slits, copper ring, copper ring with slit, and plastic sheet) can be attached to the end of the pendulum.
Special Instructions: The sheets simply click into the end of the pendulum rod.
Condition: Good
Setup time: 2 minutes
Safety Issues: None