https://www.cnet.com/news/a-teenager-built-himself-a-prosthetic-lego-arm-like-iron-man/

The student from Universitat Internacional de Catalunya in Spain was born without a right forearm due to a rare genetic condition. He's self-sufficient without an artificial arm, but wanted to build affordable robotic limbs for people who need them.

"As a child I was very nervous to be in front of other guys because I was different, but that didn't stop me believing in my dreams," he told Reuters.