The vortex valve is a designed to demonstrate the how a tornado swirls. Connects two large soft drink bottles. When one is half filled with water, with a flick of the wrist a tornado in a bottle is created.
Scientific fun. Now supplied with two '0-ring' seals to protect against leakage.
Product Specifications
- Connects two large soft drink bottles.
- When one is half filled with water, with a flick of the wrist a tornado in a bottle is created.
- Scientific fun.
- Now supplied with two 'o-ring' seals to protect against leakage.
| Length : 15 cm |
Width : 15 cm |
| Height : 8 cm |
