Gift Cards


41 in stock
Curbside Pickup Available or home delivery on in-town orders*

Recommended for ages 8 to adult


Learn the science of growing amazing gypsum crystals, while creating a Crystal Hedgehog pet of your very own! This cool STEM kit teaches kids the science behind what creates beautiful crystals. Follow the easy instructions and watch the crystal spiky cluster grow on your hedgehog in only one day, inspiring a passion for scientific learning and exploration!


Crystal Hedgehog comes in array of gorgeous jewel tones!  Please select your color preference in the drop down menu above: Pink, Blue, Green, or Orange.   


  • This grow-your-own Crystal Hedgehog could not be any cuter, and is fully grown in just 24 hours!
  • This cool STEM kit from Schylling contains a gypsum base, crystal powder, growing container, stirring stick, hedgehog figurine and detailed instructions.
  • Easy to use—Dissolve crystal powder in water, submerge the hedgehog in the solution, and wait 24 hours!
  • Every hedgehog is unique; no two are the same!
  • Projects like this helps to inspire a passion for scientific learning and exploration.
  • Supports STEM learning.
  • Hedgehog figurine measures 4 x 3 x 2 inches (LxWxH).
  • Kit requires the use of hot water. ADULT SUPERVISION IS STRONGLY RECOMMENDED.
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