This set of tactile Sensory Shapes is made from a durable mix of real stone and resin. This means they are hard wearing and can be used in sand water and the mud kitchen with confidence that they won't be damaged! The set includes twelve stones in six shapes allowing for children to extend their understanding of shape early numeracy and build comparative and descriptive language through exploratory play and mark making.Promotes shape and size recognitionOffer children a sensory experience through ridged and smooth surfacesThe set includes twelve stones two different sizes and thicknesses for each of the six shapes: circle triangle square rectangle pentagon and hexagon. Size: 50-80mm. Age Suitability: 3 Years +