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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
(Main model measures over 6 in
sturdy design
flat surfaces
As you stretch and pull
mobile fun for all
Crystal Hedgehog supermario (Main model measures over 6Create real crystals at home that will literally grow right in front of your eyes. They fully grow in 24 hours. A great STEM toy, learn basic science and chemistry while having fun, and end up with a great souvenir when you're done. Contains everything you need: crystal powder, gypsum base, growing container, stir stick, complete instructions, and the Hedgehog. Learn basic scientific concepts, science experiments; great after school activity. Perfect