Baby Einstein Alpha Stacks Soft Blocks is a set of 4 multisensory blocks that build fine motor skills and cause and effect discovery as baby stacks, shakes, builds, and tosses each block Learn letters A-Z, farm animals, colors, and discover the senses with each block; for ages 3 months and up Blocks feature multisensory details to engage baby’s eyes, ears, and fingers; soft blocks are easy for baby to grasp and squeeze and feature bright colors, unique textures, and engaging sounds like chimes and rattle sounds Dimensions: 8.9 x 8.9 x 8.9 centimeters Wipe clean with a damp cloth and mild soap