This kit has everything to have great time experimenting with water for 26 happy pupils and 1 teacher!

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.