Make a whirlpool or hourglass from bottles
With this clever tornado adapter you can easily connect two soda bottles to create a spectacular experiment. Fill the bottom bottle with water, turn the bottles together and make the water rotate: this creates an impressive water vortex - a 'tornado in a bottle'!
Children playfully practice coordination, cooperation and motor skills , because it takes precision and feeling to get the whirlpool going properly. The result is always a visual spectacle that invites repetition.
Advantages:
- Stimulates hand-eye coordination and cooperation
- Makes physical principles visual and understandable
- Ideal for education, home or experiment corners
- Also fun: use the adapter to build a homemade hourglass!

A simple tool with a big effect – guaranteed to amaze!