MILESTONES-Garden Mosaic Stepping Stone Kit. Everything you need to create one 12 inch stepping stone. Decorate your own garden or make it as a gift! This kit contains 7lbs of Stepping Stone Mix; one 12 inch reusable plastic mold; twenty stone stamps: letters and numbers; 12 ounces of real stained glass pieces; one wooden paddle and writing tool; and instructions. Conforms to ASTM D4236. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. Made in USA.