Crystal Hedgehog

Create 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 for homeschooling, completely non-toxic and child-safe. An excellent gift for boys and girls ages 8+.