Sensory Shapes is a set of tactile sensory shapes that offer children the opportunity to extend their understanding of shape through exploratory play and mark making. The ridged and smooth surfaces of the shapes offer children a rich sensory experience. Little learner’s vocabulary of shape and comparative language will develop as they talk about what they see and feel. This set of 12 includes six shapes in 2 different sizes and thicknesses (for each of six shapes: circle, triangle, square, rectangle, pentagon and hexagon). Stones measures from 2” to 3.2”. Sensory Shapes are cast from a unique resin mix including real stone, making them durable enough to withstand the rigors of play while maintaining its integrity for repeated use. They can be used in sand, water and outdoors. Sensory Shapes is an ideal educational tool for early childhood classrooms, preschools, and the home environment. They can be cleaned with a mild soap and water mixture. This product is recommended for children ages 3 years +.