Encourage early learning with the Sensory Rollers from Fat Brain Toys. Designed for ages 6 months and older, each of these three, high-quality silicone spheres features a unique design that mesmerizes the eyes and captures the imagination. Hands of all ages reflexively reach, grab, and explore their fascinating, rubbery textures before inevitably rolling them along a table or floor. Includes 3 spheres that measure 2.5 inches in diameter (spheres are blue, green, and orange. Dishwasher safe; made of high quality silicone BPA free safe for baby.