3 years & up. Emotions Dough Rollers & Tactile Emotion Stones are an engaging way to help children recognize and talk about the key emotions they may be experiencing. Each of the 6 stone rollers measure 2.75″ long, sized perfectly for small hands. Simply roll into play dough, clay or sand, to make a body and add a face to complete the emotion. The set of Tactile Emotion Stones are engraved with faces showing 12 common emotions; happiness, fear, sadness, surprise, anger, confusion, shyness, and more! Each stone measures 2.25″ wide. Rollers & Stones are made from a unique mix of resin and real stone, durable enough for use in sand and water, indoors and outside.