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    What People Are Saying

    Worth a buy
  • Sarah
  • 12/26/2015
  • This is great fun! My kids are having fun playing around and experimenting with this stuff!
    Educational and Fun!
  • Dina
  • 05/25/2012
  • I ran across "Thinking Putty" when purchasing supplies for our co-op middle school chemistry class. I thought it looked like fun and my 13 year old daughter agreed so I purchased a can for Christmas. Everyone in the family enjoyed it! I then purchased a second can a to use as an incentive for the kids in class -- it was a hit!
    I'd give this a 10 if I could
  • Mary Schilling
  • 08/22/2011
  • My kids love this. You can do so many things with the putty: bounce it, snap it, make it change colors from yellow (warm) to orange (cold). It breaks like plastic but oozes like a liquid when you leave it on the counter. It's fun to make air bubbles pop. My 10 yr old can't stop playing with it.

    reward points

    Sunburst Yellow Thinking Putty

    Ages 7+

    Item# KT-PTYELLO

    $10.95 in_stock

    In Stock

    Order now to ship Monday, 09/25. Express shipping is available.
    Product Overview
    Get hours of entertainment and stress-relief with this amazing heat-sensitive, color-changing putty.

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    • Product Details

      Sunburst Yellow Thinking Putty

      Get hours of entertainment and stress-relief with this amazing heat-sensitive, color-changing putty! Thinking Putty is a non-Newtonian substance that can act as both a solid and a liquid. Push it gently with your finger, and it feels slimy; push it hard with your palm, and it feels tough. It can bounce like a rubber ball, or smash like ceramic if you hit it on the sidewalk. The color of this cool "hypercolor" putty changes from soft orange to yellow with temperature change. Provides a fun example of the unique characteristics of non-Newtonian substances. You'll get 1/5 lb (3.2 oz) of putty in a metal tin, and it won't dry out.

      This product is non-toxic and is safe for those with latex allergies. Made in the USA.

      Ideas for your Thinking Putty:

      • Try "spray painting" it! First, stretch out the putty into a square or rectangle, then use a blow dryer on low power to make it dark orange. Next, use a canned air in a pressurized canister (like what you use to clean your desk or office with) to paint a bright yellow design onto the putty.
      • Try breaking your Thinking Putty into tiny pieces by smashing it with a hammer. Since this is a project that needs to be done outside, your putty will most likely get dirty. So take just about 1.5 oz (or half of the container) and roll it into a ball. Place the ball on the sidewalk. Wearing safety goggles to protect your eyes, hit the ball of putty with a hammer or mallet. If you hit hard enough, the ball will break almost like a piece of ceramic, and tiny pieces will go everywhere!
      • Make loud popping noises. Squish the Thinking Putty in your hands for a while, to get the air out. Then stretch it out in a rectangle, getting it as thin as possible without making a hole. Quickly fold it in half, then in half the other way. Keep folding the shrinking sheet of putty until it won't fold in half again. Squeeze the putty between your hands. As the air trapped in the putty is released, it will make lots of noise.

      Thinking Putty makes a cool stocking stuffer or inexpensive gift for any occasion!

      WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.

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