I don't know if it's round-trip or not, but who cares? The top-level Hackaday Prize is an all expenses paid trip to space!
It's no quiz show, Roy Malcom, nor will Clifford Russell need to keep buying soap and writing slogans: to win this one, you need to be a Number One Alpha Geek -- and you've gotta invent the future.
Offer does not apply in Italy, Quebec, or in a number of grotty little autocratic and/or theocratic states. I have no idea how the first two made the list; they might want to look into that.
(While I'm linking to books we read as youngsters, remember the Winston Science Fiction Series? Good stuff -- and that cover art!)
3 months ago