Childforms sand & water tables encourage exploration outdoors. By filling the brightly colored bowls with sand, water, and more; children can explore various textures while learning units of measure. Constructed of UV stabilized polyethylene, each bowl is complete with a drain for easy cleaning. We us commercial grade components engineered to resist corrosion, fading and mildew so your playground will last. . We designed all playground equipment to meet public playground safety standards (ASTM 1487 & CPSC) because we care about the safety of your children. It's a perfect addition to any park, school, apartmentearly education center or other organization that enriches childhood through play.