Learning Resources Ruff’s House Teaching Tactile Set. Early learners can explore different textures with this engaging sensory play activity set as they help Ruff the dog find all of the textured bones hidden in his kennel. Dog-themed activity set encourages tactile awareness while developing fine motor skills. Includes pairs of rubber and cloth bones in a variety of textures: smooth, silky, scratchy, bumpy, ribbed, woolly and more. Includes one cloth dog, 20 bones (two each of ten textures), plastic doghouse and Activity Guide. Doghouse measures 12cm H. Bones measure 5cm L. Suitable for ages 3+