Mega Bloks Peek A Blocks is an engaging and interactive building block set designed for toddlers and preschoolers. These blocks feature vibrant colors, various shapes, and friendly animal characters, encouraging sensory exploration and fine motor skills development. What sets Peek A Blocks apart is the surprise element – each block contains a hidden peek-a-boo character that is revealed when the blocks are stacked together. This innovative design adds an element of excitement and discovery to the building experience, making Mega Bloks Peek A Blocks a delightful and educational choice for young children exploring the world of building and imaginative play.