National Geographic - Crystal Growing Lab Glow In The Dark

Grow a glowing crystal and compare it to the included fluorite specimen. These crystal-growing experiments take some time, but your patience will be worth it! Learn all about crystal formations and watch the crystals grow day by day. Conduct a crystal-growing experiment today! 

• Approximate Packaging Dimensions: 14 x 22 x 3 cm
• Contents: Crystal Growing powder, seed rock, instructions
• Ages 8+