Helping Hands Audiobook By Elizabeth Preston cover art

Helping Hands

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Some kids are born missing a hand or fingers, others lose them because of accidents. Find out how people are printing artificial hands on 3-D printers to help those who need a hand. They are cheap, easy to build, and really work!

©2015 Elizabeth Preston (P)2018 Cricket Media Inc. Inventions & Inventors Science & Technology
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