3 years and up. Encourage sensory play and STEM exploration with a durable sand sifter set that includes authentic tools. Extra-wide scoops, nesting cups and a large pan sifter are perfect for use with dirt, sand, and water as prospecting activities using rocks or other natural loose parts. Durable, rust-resistant material makes this set perfect for continued use during messy play. Store set in a cool, dry place. 9-piece set.