Baker, Wendy

Make it work! Machines / Wendy Baker & Andrew Haslam, written by David Glover ; photographer: Jon Barnes - New York : Scholastic Inc., c1993, 1994 - 48 p. : col. pho. - Make it Work! .

Includes index

Build some machines of your own and discover what makes them work - from a popcorn dispenser and a drawing enlarger to a marble-operated clock and a real rocket!

ISBN: 0-590-20587-0 (pbk.) ;

Subjects--Topical Terms:
Machines--
Science projects