These translucent tactile seashells offer children sensory experiences like sight, sound and touch to explore and engage. Use the shells with a light box or create imprints in clay and dough. They're also ideal to teach early number concepts, such as sorting, matching, comparing, sequencing, patterning and counting. The shells measure 5.5cm wide. Includes 6 colours and 6 different tactile surfaces. Comes stored in a plastic jar.