MILESTONES-Stamp a Message in Stone! Kit includes everything you need to create one 12" stepping stone. Kit includes: 7 lbs. stepping stone mix 12" reusable plastic mold 6 oz. earth-toned stained glass 2 oz. glass gems 20 stone stamp letters and numbers 1 wooden mixing paddle and 1 craft stick for writing. WARNING: choking hazard. Small parts not for children under 3 years. WARNING: This product contains silica sand a substance known to the state of California to cause cancer. Parental supervision is required.