Be transported to the ocean and explore the enticing flora and fauna of the seashore with these tactile stones. Durable for use in their natural environment, in water and sand, they are perfect for outdoor discoveries and investigative play, and can easily be cleaned for the next adventure! Why not take them on a beach trip and compare with some real natural treasures? They can be used to create small world rockpools, to make imprints in play dough and to take crayon rubbings. Children will enjoy such activities, learning more about one of the richest and diverse environments on the planet. Each set contains 8 stones: auger shell, crab, jellyfish, lobster, nautilus shell, seaweed, starfish and whelk shell. Stones measure approximately 2-3/4. Safe for 2 .