Sadler, Wendy.

Playgrounds / Wendy Sadler. - Chicago, Ill. : Heinemann Library, c2005. - 32 p. : col. ill. ; 23 cm. - Heinemann first library . - How do they work? . - Sadler, Wendy. How do they work? .

Includes bibliographical references (p. 31) and index.

Playgrounds -- Jungle gyms -- Climbing ropes -- Slides -- Sliding and stopping -- Seesaws -- Heavy and light -- Swings -- Moving on a swing -- Merry-go-rounds -- Stopping a merry-go-round -- Springs -- Playground forces.

ISBN: 1403468281 (library binding-hardcover) 1403468346 (pbk.)

LCCN: 2004020542

Subjects--Topical Terms:
Playgrounds--Equipment and supplies.

LC Class. No.: TT176 / .S23 2005

Dewey Class. No.: 711/.558