Nice. Maybe he's doing a research project on how people fund things that are ridiculous, but doesn't want the possibility of accidentally really taking money from anyone.

Or maybe he's SO BAD AT MATH that he didn't realize.

400 slots of $25 or more.

It's weird indeed but note that, as a backer, you are free not to select a reward, no matter how much you contribute.

You just need to apply heat to the top of the piggy bank while keeping the bottom cold. Its all in the theory.