Simple Machines in SportsBook - 2015
Kids know that hockey sticks, water bottles with screw-on lids, and cleats are all used in sports. It may, however, be a surprise to them to learn that they're all machines. This book teaches sports enthusiasts how to spot the simple machines they've neve
Publisher: New York :, PowerKids Press,, 
Edition: First edition.
Characteristics: 24 pages : colour illustrations.