Towering icebergs, floating ice sheets, and deep snow provide an instant setting for chilly, language-rich storytelling. The engaging stones will inspire small world play and promote creativity, immersing children into imaginary frozen worlds. Each sensory stone is engraved on one side and smooth on the other to encourage inventive, open-ended play. Easy to set up and easy to pack away. Set contains 18 stones – 6 each of 3 designs. Size approximately (1-3/4 x 2").Key Features : i : Towering icebergs, floating ice sheets, and deep snow provide an instant setting for chilly, language-rich storytelling.ii : The engaging stones will inspire small world play and promote creativity, immersing children into imaginary frozen worlds.iii : Each sensory stone is engraved on one side and smooth on the other to encourage inventive, open-ended play. Easy to set up and easy to pack away.iv : Set contains 18 stones – 6 each of 3 designs.v : Size approximately (1-3/4" x 2")vi : Safe for 2+.