National Geographic Crystal Growing Kit Teens and Adults Each domino has two three-letter

Each domino has two three-letter words

D-style door with rollup strap

Kids groove and move their way through four games

chip and pin machine

numbers and typing

National Geographic Crystal Growing Kit Teens and Adults Each domino has two three-letterThis item has been sold. Like all our pre loved pieces, it was one of a kind but you can browse similar items in Arts & Science. Learn and discover about growing and cultivating your very own crystals. The kit contains all children need to grow at least 12 types of crystal. The detailed instruction booklet contains 16 fascinating experiments and explains how crystals were formed when the gases the Earth is made from cooled millions of years ago. Box