Were pretty sure Grace never stopped smiling through her Hero Arm delivery!

She was even able to pick items up with the robotic hand.

The Hero Arm is designed for amputees with a below-elbow limb difference.

The easiest comparison: ball your hand into a fist and move your wrist inward,explainsOpen Bionics.

Those muscles in your forearm shut the bionic hand.

Move it outward, and those muscles fire up the bionic hand!

In Open Bionics video, a professional helps affix the Hero Arm to Grace’s forearm.

Were pretty sure Grace never stopped smiling through her Hero Arm delivery!

The bionic arm can even change appearance with 50 different magnetic covers.

We’re sure Grace will continue to have fun with her new prosthesis.

15-year-old Grace received her first bionic arm and mastered its abilities very quickly.

Grace was non-stop smiling as she picked up her new Hero Arm!