PIRA Classification: 2B30.45
Description: A glass is filled almost completely with water. An index card is placed over the top and, while still holding on to the card, the glass is inverted. When your hand is removed, the card stays in place, keeping the water in the glass.
Special Instructions: Make sure to keep the card tight against the glass.
Condition: OK
Setup time: 1 minute
Safety Issues: None