Create amazing inventions and help the environment at the same time. In Repurpose It, you'll invent a solar still, a bug robot, a textbook safe, and many other resourceful contraptions. When it comes to inventing, your imagination has no limits!
"Each title in this series begins with a six step process for the budding engineer to follow; seven or eight projects follow the steps. While the statement of engineering principles is a positive, few middle school students will be able to state them without adult guidance. Full-color photos take the reader through the "create" step. The "improve" step lends itself to additional scientific or engi
