National Geographic Impulse Crystal Grow Glow In The Dark
Grow your own crystal!
Make squishy, glow-in-the-dark slime!
includes
- 1 X Bag of Purple Crystal-Growing Powder (3.35 oz / 95 g)1 X Seed Rock1 X Learning Guide with Instructions
product features
- An easy and fun way to grow a crystal at home that glows in the dark!
- Simply mix the crystal-growing powder in water, add your seed rock, and in just a few days you’ll have an amazing crystal!
- Easy-to-follow instructions and a full-color learning guide are also included.
Item# 19051