PIRA Classification: 4D50.80
Description: A metal frame can vibrate at various speeds causing small spheres to move in a random motion. An aluminum barrier with a small hole in it is placed in the frame. Large spheres are placed on one side of the barrier while smaller spheres are placed on the other side. The motor is turned up and the spheres are allowed to mix.
Special Instructions: Slowly turn the motor up.
Condition: Ok
Setup time: 2 minutes
Safety Issues: None