Diving Octopus

  • Study pressure and buoyancy with this Cartesian diver toy in an ordinary plastic bottle filled with water.
  • Impress friends and family with the octopus as it dives and rises with a squeeze of the bottle.
  • Easily slide the narrow octopus through the narrow opening of most plastic bottles.
  • Learn and demonstrate how changes in pressure affect buoyancy in floating submerged objects.
  • This science experiment toy is recommended for ages 5 and up.
  • $4.99
    $4.99
    Regular price


  • Study pressure and buoyancy with this Cartesian diver toy in an ordinary plastic bottle filled with water.
  • Impress friends and family with the octopus as it dives and rises with a squeeze of the bottle.
  • Easily slide the narrow octopus through the narrow opening of most plastic bottles.
  • Learn and demonstrate how changes in pressure affect buoyancy in floating submerged objects.
  • This science experiment toy is recommended for ages 5 and up.