DESCRIPTION: Create real crystals At home that will literally grow right in front of your eyes, They fully grow in 24 hours! Crystal Hedgehog is a great STEM to, 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+

Blue, Green, Pink, Red

SIZE: 4.5 × 4.5 × 5 in