Let Big Bird, Elmo, and the Sesame Street gang help your little ones learn their ABCs, 123s, and shapes in this series of interactive books that will delight and inspire life-long learning. These five-inch soft books can be held by little hands and include a teether, a squeaker, and a peekaboo flap. With on-the-go clips, they are easy to take on trips and machine washable for easy care. Suitable from birth.