Rolling along the wheel and axle

"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.

Main Author: Bailey, Gerry, 1945- (Author)
Other Authors: Spoor, Mike (Illustrator)
Format: Books Print Book
Language: English
Published: St. Catharines, Ontario ; New York : Crabtree Publishing, [2014]
Series: Robotx get help from simple machines
Subjects:
Summary: "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.
Item Description: Includes index.
Physical Description: 32 pages : ill. ; 26 cm.
ISBN: 9780778704188 (reinforced library binding)
0778704181 (reinforced library binding)
9780778704249 (pbk.)
0778704246 (pbk.)