Como Funcionan Las Poleas/ How Pulleys Work (Como Funcionan Las Maquinas Simples (How Simple Machines Work))
Publisher: Weekly Reader Early Learning Library
Published: July 2006
Language: spa
Format: Paperback
Number of pages: 24
ISBN-13: 9780836874495
Subjects: Technology - How Things Work/Are Made; Juvenile Nonfiction; Children's Books/Ages 9-12 Science; Spanish: Grades 2-3