Bathtubs,Slides,Roller (Gateway Simple Machines)
Publisher: Millbrook Press
Published: March 1, 1991
Language: eng
Format: Library Binding
ISBN-13: 9781878841230
Subjects: Machinery; Juvenile Nonfiction; Juvenile Applied Sciences; Children's 4-8; Children's Books/Ages 4-8 Nonfiction; Technology - Machinery; Children: Grades 3-4; Simple machines; Juvenile literature; General; Non-Classifiable; Inclined planes