Order History
Premium Membership & Rewards
Help Center / FAQ
Levers Lessen the Load: Simple Machines for Kids
Hardcover
$20.95
Premium Members save an extra 10% and all Members collect stamps to save with Rewards. 10 stamps = $5.Learn More
Select a store to view item availability.
Learn how simple machines make work easier in these colorful nonfiction picture books all about science and engineering!
Have you ever played on a seesaw? You were using a lever!
A lever is one of six simple machines that are designed to make different kinds of work easier. Lifting, pulling, pushing—all these tasks are more efficient when you use a simple machine. In Levers Lessen the Load: Simple Machines for Kids, readers ages 5 to 8 learn how levers and fulcrums can help us move far more...