"Investigating the common contraptions that make so much possible, from zippers and rolling pins to catapults and the pyramids, this book encourages kids to look differently at the numerous objects in everyday life."--Amazon.com.
Read More
"Investigating the common contraptions that make so much possible, from zippers and rolling pins to catapults and the pyramids, this book encourages kids to look differently at the numerous objects in everyday life."--Amazon.com.
Read Less
Add this copy of Explore Simple Machines! : With 25 Great Projects to cart. $81.84, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2011 by Nomad Press.