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Story perspectives

12-Year-Old Receives Custom Bionic Arm from MrBeast

1/27/2026

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Summary

Story summary

Kai Pollnitz, twelve, born without a right hand, received a custom bionic arm from MrBeast (YouTube star).
The Hero PRO arm, delivered at an Open Bionics clinic in Austin, Texas, was built with user input.
The arm enables Kai to perform daily tasks and improves his confidence after years of bullying.
Charlotte described insurance and crowdfunding struggles to obtain the prosthetic, while Kai hopes his story inspires others.

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Story summary

Kai Pollnitz, twelve, born without a right hand, received a custom bionic arm from MrBeast (YouTube star).
The Hero PRO arm, delivered at an Open Bionics clinic in Austin, Texas, was built with user input.
The arm enables Kai to perform daily tasks and improves his confidence after years of bullying.
Charlotte described insurance and crowdfunding struggles to obtain the prosthetic, while Kai hopes his story inspires others.