A project book for the would-be inventor with activities, a list of "contraptions" in need of invention, and the stories behind thirty-six existing inventions.
A project book for the would-be inventor with activities, a list of "contraptions" in need of invention, and the stories behind thirty-six existing inventions.
Ever wonder how a suspension bridge can cross a gap thousands of feet wide? Want to know how to build a comfortable lounge chair out of cardboard boxes? Or what
First published in 1972, Steven Caney's classic Toy Book was written only after much research by the author and a group of 30 friends, all under the age of 13.