Drop this 2" jellyfish in a plastic water bottle and squeeze to make him dance. also called a Cartesian diver, this is a fun way to explore the relationship between pressure and buoyancy.

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Drop this 2" jellyfish in a plastic water bottle and squeeze to make him dance. also called a Cartesian diver, this is a fun way to explore the relationship between pressure and buoyancy.

  • Experiment in fluid dynamics with this magical jellyfish
  • Make it spin, float and sink!
  • Educational toys that help children learn
  • Made using safe and high quality materials
  • Toys for all age groups
  • Experiment in fluid dynamics with this magical jellyfish
  • Make it spin, float and sink!
  • Educational toys that help children learn
  • Made using safe and high quality materials
  • Toys for all age groups

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