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+.
Regular priceSale price
Unit price/ per
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device