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5 Pack - Circle Colour Changing Liquid Crystal Stickers

£3.99
  • 5 Pack - Circle Colour Changing Liquid Crystal Stickers

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5 Pack - Circle Colour Changing Liquid Crystal Stickers

£3.99

Pack of 5 of Circle Stickers made with Liquid Crystal. These respond to temperature, so when you touch them, they change colour!

This product reacts to temperaures between 25°C to 30°C. When under the temperature threshhold, the stickers are black.

Dimensions 19mm x 19mm.