Milestones Mosaic Stepping Stone Kits make it easy to capture a memory in stone. The DIY kits include everything you need, and the process is so simple. Just mix, pour, and then decorate your stepping stone with real stained glass mosaic pieces, pretty pebbles, stamps, writing, and more. Conforms to ASTM-D4236. Packaging may vary. - Milestones Mosaic Stepping Stone Kit - LlamaMilestones Mosaic, LLAMA KIT - This 30-minute craft can be completed individually or as a group activity. This kit includes a 7 lb bag of stepping stone mix, a 12" reusable plastic llama mold, 2.5 oz of glass gems,* 12 oz of white glass,* a wooden mixing paddle, a writing tool, and instructions.