Fun stacking blocks from Fisher-Price. Each block has five sides with bright colors, interesting materials, cute figures, numbers, and images of familiar objects. Babies can stack or fit the blocks together, or place them side by side in a row! Stacking promotes baby's development of fine motor skills and hand-eye coordination. The blocks are easy to stack, which builds baby's confidence. As babies try to stack or fit the blocks together, they develop their thinking and problem-solving skills. Suitable for children 6 months and up.