Gem Center U.S.A. - Dig Your Own Gem Mine - 12 Gemstones - EASY TO DIG Dig up 12 naturally occurring gemstones Specially formulated to be easy to dig Includes a 12 page gem guide with over thirty gemstones identified, try to collect them all Digging tool, magnifying glass and small brush included One ancient treasure adventures comic included lots of fun for the young adventurer