Pulleys are simple machines used to lift and move loads. Builders use pulley systems to lift tools or materials. Elevators use pulleys to move up and down. Kids will learn how pulleys make work easier and how they are often part of complex machines.
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Pulleys are simple machines used to lift and move loads. Builders use pulley systems to lift tools or materials. Elevators use pulleys to move up and down. Kids will learn how pulleys make work easier and how they are often part of complex machines.
Read Less
Add this copy of Pulleys to cart. $20.61, good condition, Sold by ThriftBooks-Dallas rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2009 by Blastoff! Readers.
Add this copy of Pulleys (Blastoff! Readers: Simple Machines) (Simple to cart. $30.88, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2016 by Bellwether Media.
Add this copy of Pulleys (Blastoff! Readers: Simple Machines) (Simple to cart. $31.35, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2016 by Bellwether Media.
Add this copy of Pulleys (Blastoff! Readers: Simple Machines) to cart. $51.27, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2009 by Bellwether Media.
Add this copy of Pulleys (Blastoff! Readers: Simple Machines) to cart. $74.29, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2009 by Bellwether Media.