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these balls are washable and easy to disinfect
providing a hands-on learning experience about eco-friendly energy alternatives
who scramble to catch it-or the other team scores
Self-correcting puzzle cuts ensure correct matches
National Geographic Completely Gross Chemistry Set - 10 Experiments, 29 Pieces 321 Pieces these balls are washable andThis 29 piece chemistry set delivers 10 experiments built around one simple premise: the grosser, the better. Kids make fake boogers, slimy eyeballs, glowing worms, and other delightfully disgusting creations while learning real chemistry concepts like polymers, reactions, and luminescence. Most materials come included in the kit, though a few experiments call for common household items. Adult supervision keeps things safe while young scientists
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