By DailyHealthPost

Watch This Superhero Melt Your Heart By Surprising This Kid With a Bionic Arm

robert downey jr bionic arm

Seven-year-old Alex had no idea what he was in for when he walked down the hall to Room 912.

Who was there to meet him?

None other than Iron Man, also known as Robert Downey Jr.

Alex knew right away who the superhero was. But why was he there? Alex was born with an arm that was only partially developed.

A leading bionics expert heard about Alex and wanted to help. So he designed a bionic arm and got Iron Man to show Alex how it worked.

Watch the dry-witted actor show Alex how much better Alex’s arm is than his Hollywood billion dollar one.

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