The Wheel and AxleBook - 2013
"Rolling Along explores the benefits and uses of the wheel and axle. RobbO and RobbEE build a cart to make it easier to move a heavy load, and learn how the wheel and axle are also used for lifting and turning."--Provided by publisher.
Publisher: St. Catharines, Ont. : Crabtree Pub., c2013.
Characteristics: 32 p. : col. ill. ; 27 cm. --
Alternative Title: Wheels and axles