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Just Add Water Test Tubes in a Rack

Six of our favorite polymer experiments in one great kit

  • Just Add Water Test Tubes in a Rack
    Item #: WTTC-300

    $19.99 In Stock

Usually ships out the next day.

Recommend for 4 years & up with adult supervision.

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Looking for a great way to collect all of your favorite polymers in one, unique place? Our "Just Add Water" Test Tubes are the perfect solution. Just like our best selling Six Test Tubes in a Rack, this kit includes all of our amazing polymers in a special test tube size and a rack to keep them all in. You'll get our four newest test tube experiments - Orbs, Water Spikes, Jelly Marbles and Water Cubes, and we'll throw in our classic favorites - Insta-Snow! Plus, when you buy all six together you save over $6! Recommended for children ages 4 and up.

What's included?

  • Spikes Test Tube - Includes 10 polymer Spikes
  • Orbs Test Tube - Includes 15 grams of Orbs polymer in assorted color mixture
  • Water Gel Test Tube - Includes 9 grams of Water Gel powder
  • Jelly Marbles Test Tube - Includes 10 grams of Jelly Marbles polymer
  • Insta-Snow Test Tube - Includes 7 grams of Insta-Snow Powder
  • Water Cubes Test Tube - Includes 10 grams of Water Cubes

How does it work?

Just add water to any of the polymers in this kit and watch them grow! Some of the reaction will be instant, like our Insta-Snow and Water Gel and others will provide hours of observation. But, all of the polymers are guaranteed to excite and amuse!

Wonderful "Tricks"!

Katie    -  May 17, 2012

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This user gave 5/5 stars


I bought these wonderful tubes to show a couple classes some science "tricks" so they would join my summer camp which focuses on science and math. I had SEVERAL students take brouchures! :)

Vicki Aurora, CO   -  December 21, 2009

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This user gave 4/5 stars


Water Gel: My hubby got to play magician and surprise my son when he dumped water into the powder and went to dump it on his head...but nothing came out! It was a new fun toy for us to poke at instead! Jelly Marbles: These tiny clear balls magically grow into bouncy and fun-filled jelly marbles! Water Spikes: I liked watching these little plastic-feeling spikes grow larger and not quite so poky! Water Cubes: This was my favorite one to observe over time because they changed differently than the others. Plus, I lost them once or twice in the water and thought hubby was playing a joke on me. Water orbs: I will be honest. I will probably not make as many at on time next time. My son has a cup in my car, a bowl in the kitchen that has been EVERYWHERE! He loved sticking his hand in the bowl once the teeny balls grew and squishing them. Okay, I did too!

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