Chem Bit - Thermochromic Things

Experiment with materials that change colour depending on the temperature.
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Snap Circuits Junior 100

Snap Circuits Junior 100
Award winning Elenco Snap Circuit Kits are the very best electricity and electronic kits available. Have a snapping good time learning about electricity with the reusable circuit components that simply clip together with a press stud.

Are you hot? Are you cool? Settle down, I'm talking about your temperature

Did you own a mood ring? Were you ever confused as to why it would turn blue, even when you didn't feel the slightest bit sad? Or why it would turn blue-green, even though you had mountains of homework to complete?

SPOILER ALERT: This is because the material found in your mood ring does not actually read your mood - it's actually made from a thermochromic material that changes colour based on your temperature.

Explore and experiment with these colour changing materials in this interesting chemistry kit. Also investigate exothermic and endothermic reactions using everyday materials. A fun little kit!


9+ with adult supervision.

What You Get

  • A sheet of liquid crystal film
  • 2 x sheets of thermochromic paper
  • Periodic table
  • Instruction booklet


  • Reversible thermochromic changes
  • Liquid crystals
  • Leuco dyes
  • Heat transfer

WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 19
Width (cm) 1
Height (cm) 12
Age Group 9-10 Years, 11-12 Years, 12+ Years
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