Learning to identify the textures of Ruff's bones helps students expand their descriptive language abilities. Includes a variety of rubber and cloth bones — smooth, silky, fluffy, bumpy, ridged and more. Includes Ruff the dog, 20 bones (2 each of 10 textures), a doghouse and an activity guide. Size: 18.8 x 16.8 x 16.3 cm. Ages 3+.