Mattel’s Mindflex is basically a toy that uses brain waves to let users steer a ball around an obstacle course. This hack could be one of the most painful ever, as it “delivers an electric shock if you don’t remain calm.” Video after the break.

…but we have to wonder: wouldn’t this thing be amazing if you hooked it up in reverse and punished not thinking enough?

[via EngadgetHarcoslabs]