Learning Resources Teachable Touchables Texture Squares. Scratchy, slippery, silky or soft? Children build tactile awareness, vocabulary, matching and communication skills with this early exploration activity set. Young learners interact with these twenty texture squares (ten different pairs) as they explore the different surfaces. Perfectly sized for little hands each square measures 6cm. Tactile textured squares come in a handy cloth drawstring storage bag with an activity guide. Suitable for ages 3+