"Inventions." . . . . "Prototypes, Engineering." . . "Prototypes, Engineering Juvenile literature." . . . . . "Electronic books"@en . . . . . "Juvenile works"@en . "Juvenile works" . . "\" Learn how to improve your projects by building and revising prototypes. Readers will learn how to start making a new idea a reality without putting their effort or resources to waste. Photos, sidebars, and callouts help readers draw connections between new concepts in this book and other makers-related concepts they may already know.\"--Provided by publisher." . "Prototyping" . "Prototyping"@en . . "Engineering." . .