Smith, Siń.

Levers / Siń Smith. - Chicago, Ill. : Heinemann Library, c2012. - 24 p. : col. ill. ; 18 x 21 cm. - How toys work. Acorn. .

Includes index.

Different toys -- Levers -- More toys with levers.

Takes a look at levers, what they are, how they are used, and how they help us.

"Level I ; word count 117"--P. [4] of cover.

ISBN: 9781432965792 (lib. bdg.) 1432965794 (lib. bdg.) 9781432965860 (pbk.) 1432965867 (pbk.)

LCCN: 2011041303

Subjects--Topical Terms:
Levers
Toys