Join the rock painting craze with the Creativity Street craft rocks!! This 100% natural, un-waxed bag of washed river rocks are ready for your to creatively adorn them with a wide range of art materials. Each mesh sack is by weight and contains rocks that vary in sizes, shapes, and quantities. Details: Natural colors Includes multiple sizes and shapes 2 lb. set weight 4 packs (6 sets per pack, 24 total rock sets) Washed and ready to decorate For ages 3 and up