PIRA Classification: 1Q20.50
Description: A cup and bottle cap are mounted on a hinged board, the cap near the end of the board and the cup a few inches down. The board itself is propped up with a dowel. A pool ball is placed in the cap (to prevent it from rolling off). The dowel is quickly removed and the board falls. The ball lands in the cup.
Special Instructions: This happens fast. The students much watch closely.
Condition: OK
Setup time: 1 minute
Safety Issues: None