Mold Underwater Shapes Using The New Zzand Formula: Our unique formula allows you to sculpt and play with the sand, and effortlessly mold it into any shape you want without falling apart under the waterOne Kit With Everything You Need: Our sandcastle kit includes 10 castle molds and 10 containers with Hydro ZZand in 5 vibrant colors; Use clay dough tools or cookie cutters to add special touches to your artwork! Creativity has no limits