Scoop, Seesaw, and Raise
A Book About LeversBook - 2006
Explains what a lever is and how it works, and introduces different types of levers, such as seesaw, scoop, bottle opener and so on.
Publisher: Minneapolis : Picture Window Books, c2006
Branch Call Number: JE Dah 3558jv 1
Characteristics: 24 p. :,col. ill. --