World's Smallest Galileo Thermometer

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This World's Smallest Galileo Thermometer may be tiny, but it can certainly predict surrounding air temperatures!

Your small glass novelty thermometer is filled with liquid containing 3 coloured floating spheres of varying mass. Each sphere will rise and fall as the temperature changes, and the little metal tags attached will indicate the closest temperature! The lowest floating ball will let you know the closest temperature with a reasonable amount of accuracy, it's a mini marvel!

It's the perfect size for a Secret Santa gift, or pop one in your a Christmas stocking for any science enthusiast! No power required. Temperature range on baubles is between 18 and 26 degrees.

Ages: 8 +


  • A tiny scientific marvel!
  • Based on the thermoscope invented by Galileo
  • Floating bulbs indicate the temperature
  • Learn about density and buoyancy
  • The perfect mini marvel for weather buffs!