National Geographic Crystal Growing Powder Purple

National Geographic Crystal Growing Powder Purple 

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! 

• Packaging Dimensions: 12 L x 22 H x 6 W cm 
• Contents: Crystal Growing powder, seed rock, instructions 
• Age: 8 years and up