“Ten friendly frogs/ Sitting in a line,/ One leaped off his lilypad/ And that left . . .” nine! This charming board book for toddlers is filled with pictures of flowers and frogs, mice and mushrooms, birds, bees, ducks and deer—and they’re here to teach boys and girls to count. Ten little plastic 3D frogs attached to the illustrations fit snugly into die-cut openings in the book’s pages. When each page is turned, one of the frogs disappears to meet a new friend. Finally, only one little frog remains, waiting for the others to come back again. The book features a big plastic button for kids to press. It activates a sound chip that gives off a friendly frog’s croak....
