Teenager Uses Lego To Build His Own Prosthetic Arm

18-year-old David Aguilar has been Lego obsessed since he was a little boy. He has always loved building things with the little plastic blocks. The usual little boy stuff–helicopters, boats, buildings. Never mind that he was born without a fully formed right arm. That never stopped David. In fact, it inspired him to go for his most inspiring Lego projects. He built himself a prosthetic arm. And then another one. He calls his invention, “MK2.” See how it works. Brilliance

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