Inverted Flask with Card
# 2B30.45
| Description | Fill up the flask with water and cover the opening with a 3x5 card. When the flask is inverted, the card will not fall off and the water will not flow out. |
| Location | 29F |
Inverted Flask with Card
# 2B30.45
| Description | Fill up the flask with water and cover the opening with a 3x5 card. When the flask is inverted, the card will not fall off and the water will not flow out. |
| Location | 29F |