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 - LeafMilestones Mosaic, LEAF KIT - Add a touch of fall to your garden, year-round! This kit includes a 7 lb bag of stepping stone mix, a 12" reusable plastic leaf mold. 12 oz of mosaic glass,* 2 oz of glass gems,* letter and number stamps, a wooden mixing paddle, a writing tool, and instructions.