Camels, bikes, skis, and busses. There are so many ways to go, and children will enjoy exploring them with carefully leveled text and supporting pictures.
Come and hitch a ride in vehicles of every shape and size--from family cars to double-decker buses, chugging tractors to speedy supercars, and gigantic monster trucks to noisy fire engines.
How do wheels help people move around? What sizes and shapes do wheels come in? On what kind of ground do wheels roll best? Why do some things have more wheels than others?