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Heat Activated Liquid Crystal Card

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Product Info

You can't get more HANDS-ON than this impressive science demo. Place your hand on this black plastic square and just the heat of your hand will create a beautiful thermal hand print. As the liquid crystal card cools, it turs back to black. Each color represents a different temperature. Can be used over and over again! Mounted on sturdy 1/4" thick foamcore. Great addition to any "Hands-on Science Table". 6 in. x 6 in.

Also available in bigger sheets with a sticky back HERE.


Product Reviews

  1. A great gift!

    Posted by Lois Carl on 10 31 2015

    I bought this for my 3 yr.old grandnephew and my niece says that he loves it!