Robert Downey Jr. presents young boy with bionic Iron Man arm (video)

Robert Downey Jr. is the man! More from his Facebook page:

Had the absolute privilege of presenting a brand spanking new 3D-printed bionic Iron Man arm to Alex, the most dapper 7-year-old I’ve ever met.

Special thanks to Albert Manero, OneNote, and#CollectiveProject for their work making artificial limbs like this more affordable for families with kids who want to show the playground how badass they are. Check out http://www.facebook.com/LimbitlessSolutions to learn more about this incredible project. #goodcause