PIRA Classification: 1N30.15
Description: A line of large ball bearings is placed at the bottom of a small ramp. An identical bearing is released from the top of the ramp and allowed to collide with the line. Only the bearing at the far end should be ejected from the line.
Special Instructions: The remaining bearings will move slightly due to the nature of the rolling spheres.
Condition: OK
Setup time: 2 minutes