They Slip, Slide, Wiggle, and Teach
Use Silly Squares and Slippery Spheres to teach science. In this Bag of Knowledge you'll find fun science supplies with experiments, ideas, and explanations.
This bag includes two wiggly, giggly substances that only need water to grow more than 100 times their size. Watch in amazement as they grow and then observe their properties as you play. Slippery Spheres includes over 100 balls of each color: red, blue and yellow
Silly Squares contains 50 of each red, blue and yellow silly squares.
Ages 3 and up.
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