20 more amazing activities in one small bag in our amazing Test Tube Lab-in-a-Bag series. Play with touchable bubbles - they don't pop. Learn how plastic molding works by making your own super bouncing ball. Make up to 20 fet of slimy, gooey Insta-Worms(tm). Write secret messages with disappearing ink. And much more.
Includes: test tubes, test tube rack, worm goo and activator, pre-colored crystals, special bubble solution, disappearing invisible ink, bouncing ball powder and mold, instructions.
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