These are simple to make; you just add water! You and your family will love making your own stepping stones with these kits! Cherish those little hands or feet for years to come. Use your stones for home or garden decorations. Safe for both indoor/outdoor use. These also make great gifts for parents or grandparents. Everything you need to make 1 stone included in each kit: Portioned bag of dry cement (you mix in the bag so no need for a bucket) Plastic Mold Multi color gems Skewer for writing Instructions **Stone Stamps are an add on option. They are double sided, alpha-numeric, plastic, and reusable. The stamps were used on the stepping stones in the photos. Please note, the stone must sit to harden for at least 36-48 hours. Stones dry to a gray cement color.