Jared‘s Lego hand can pick up a variety of objects including fruits like lemons and apples and a plastic cup and bowl A teenager has designed and built a fully working robotic hand out of Lego pieces.

Born with a left arm that ends just below his elbow, 9-year-old Aidan Robinson has had his share of prosthetic arms. As a baby, he wore a passive arm, plastic and immovable like a doll’s arm, which ...