The kids' book of simple machines
Subtitle: cool projects & activities that make science fun
By: Kelly Doudna
Publisher: Mighty Media Kids
Published: 2015
Place of publication: Minneapolis, Minnesota
Language: eng
Number of pages: 144
ISBN-13: 9781938063596; 9781938063602
Subjects: Simple machines; Juvenile literature
Other titles: Simple machines
Notes: Includes index.

K-3.