The science of slime! Our Copernicus Toys fan favorite hands-on explorations of states of matter, the chemistry behind gels, polymers, and phosphorescence. Experiment with making glow-in-the-dark gel, a putty substance that flows and stretches, breaks and bounces, eco-foam fizzle, and much more. 15 experiments in an awesome box. 6x4x4" box. Back to school STEM kit! These experiments are tactile--great sensory play A favorite Christmas gift.

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