책 세부 정보
형식
페이퍼백
페이지
24
언어
영어
출판됨
Jan 1, 2012
출판사
Picture Window Books
ISBN-10
1404871454
ISBN-13
9781404871458
설명
Greetings! DO-4U the robot here, and I'm hard at work at Worldwide Robotics. I'm conducting experiments to find out about things like pulling, pushing, and friction. Charge your batteries and join me to learn all about forces and motion!