Teams of up to 4 are allowed! Anyone can compete, but only teams of US high school (or middle school) students can win Amazon gift cards for prizes:
$50 per person for 1st place in Advanced Division
$25 per person for 1st place in Standard Division, 2nd place in Advanced Division, and 3rd place in Advanced Division
If you want to get a sense of what mBIT problems are like, take a look at the problems from our contest last November:
Message me or email firstname.lastname@example.org if you have any questions!