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
- Conecta dos botellas grandes de refresco.
- Cuando una está medio llena con agua, con un movimiento de muñeca se crea un tornado en una botella.
- Diversión científica.
- Ahora se suministra con dos juntas tóricas para proteger contra fugas.
| Length : 15 cm |
Width : 15 cm |
| Height : 8 cm |
