Inventions That Could Have Changed the World...But Didn't!
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Book Overview
Dive into the US Patent Office's zaniest back-catalogue entries in this laugh-out-loud collection of wacky, weird, and unwieldy inventions Why haven't we ever heard of the jumping balloon, the ejector bed, or the Portable Baby Cage? Some inventions were too off-putting. Others simply didn't work, though they laid the foundation for greater successes down the line (here's looking at you, Mr. Henry Ford). And still others may be the next big...
Format:Paperback
Language:English
ISBN:1623541018
ISBN13:9781623541019
Release Date:July 2018
Publisher:Charlesbridge Publishing
Length:80 Pages
Weight:0.75 lbs.
Dimensions:0.3" x 8.9" x 9.9"
Age Range:8 to 12 years
Grade Range:Grades 3 to 7
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