Nantucket Historical AssociationMuseum Shop

Growing Super Absorbent Polymer Sperm Whale



  • An amazingly detailed sperm whale grows and grows when submerged in water
  • Simply submerge this amazing creature of the seas into water and watch it grow!
  • Your whale may keep growing for up to 3 Weeks
  • Humpback whale facts and instructions
  • A fun activity that provides an educational experience for kids who are fascinated by science!