This bright and lively lift-the-flap board book features one shape to learn on every spread - circle, square, triangle, rectangle, oval, diamond, trapezoid, and half-circle. Children will learn the simplest shapes; then, move on to more advanced ones. And the pages include lots of flaps to make learning playful and fun. Clever Playground Series is ideal for individual use at home or in a group. This brand new innovative series includes 3 books and helps preschoolers learn key basic concepts; colors, shapes, and numbers.