Born with an underdeveloped arm, he built a LEGO prosthetic at 18 to help another boy

David Aguilar, an inventor from Andorra known as “Hand Solo”, turned his childhood fascination with LEGO bricks into a ...
Guinness World Records

Inventor "Hand Solo" builds LEGO® arm for eight-year-old

Prosthetic limbs can come in many shapes and sizes; from the classic pirate’s hook, to Anakin Skywalker’s mechno-arm and Jaime Lannister’s solid gold hand. In 2017, David Aguilar (Andorra), aka "Hand ...
Guinness World Records

First functional LEGO® prosthetic arm

David Aguilar (Andorra), who was born without a right forearm, designed and built his own fully functioning prosthetic arm using bricks from a LEGO® Technic helicopter set (#9396), completing the ...
The Guardian

Experience: I make prosthetic arms with Lego

I tested one by hitting it against a wall – the wall took the damage I was born with Poland syndrome, a disease that prevented the formation of my right arm and pectoral muscles. I was bullied at ...