Hedgehog Crystal
Hedgehog Crystal

Hedgehog Crystal

Crystals grow right in front of your eyes. They are fully grown in only 24 hours! A Crystal Hedgehog is a great STEM tool to learn basic science and chemistry while having fun, and ending up with a charming addition to any shelf. This would be a great after school activity, homeschooling lesson, an excellent gift and more. This kit is completely non-toxic and child safe. Ages 8+.


  • crystal powder
  • gypsum base
  • growing container
  • stir stick
  • complete instructions
  • hedgehog statuette
Regular price $18.99
Unit price  per