H2O experiments -
3 experiments with water:
Tornado in a bottle / Cartesian diver /
Hydrodynamic jellyfish

Connect two plastic bottles with a special binding and watch a real water tornado inside!

Get acquainted with the classic scientific experiment 'Cartesian diver', which has been known for hundreds of years.

Breathe life into fun little hydrodynamic jellyfish, squeezing and releasing the sides of the bottle filled with water.