All content on this site is available, via phone, Monday to Friday from 7:00 AM to 9:00 PM CST or Saturday and Sunday from 8:00 AM to 8:00 PM CST at
If you experience any accessibility issues, please contact us.
Grow your own brightly-colored hedgehogs with sparkling crystal spikes! Everything you need for this easy and fun science project is included. You can watch the process of crystallization over the course of 24 hours as your two hedgehog figurines grow amazing crystal spines on their backs. They’re a spectacular feat of science – display them in your favorite space when you’re done for a brilliant pop of color.• Grow your own sparkling hedgehog décor!• Encourages a hands-on interest in science for kids• One of the coolest gifts for teens and tweens• Includes 2 hedgehog models, 2 colors of crystal powder, 2 stirring sticks, growing container and instruction manual