Young inventors at work! :

Sobey, Edwin J. C., 1948-

Young inventors at work! : learning science by doing science / Ed Sobey. - Glenview, IL : Good Year, c1999. - 120 p. : ill. ; 28 cm.

"Grades 4-8."

Challenges kids to use problem solving and critical thinking to design, build, and test model structures, games, and vehicles.

067357735X


Inventions--Juvenile literature.
Children as inventors--Juvenile literature.