A bill in Texas could make it a crime to miss parent-teacher conferences. In New York, crossing the street with your iPod on could ring in a $100 penalty if legislation is approved. And partyers in New Hampshire beware: Releasing a balloon into the air could blow up into a $250 fine for violating the state’s littering law.

As states wrap up their legislative sessions, a number of bizarre bills may be on the way to becoming laws — and some legal experts fear they are leading to overcriminalization.