Experiment in fluid dynamics with this Magical Spinning Jellyfish
Squeeze to make the jellyfish spin, float or sink!
Perfect toy to educate your kids on pressure and buoyancy and keep them entertained
Made of ABS plastic
2 pieces per set (random colors)
Drop this Magical Spinning Jellyfish into a plastic water bottle and squeeze to make it dance up and down. It even spins around too! Also called a Cartesian diver, this is a fun way to explore the relationship between pressure and buoyancy. A fun, educational and great stress-reliever toy for the young and old alike.