I've had a long-standing rule to avoid getting involved in any sort of crowdfunded activities. I didn't donate to Shadowrun or Wasteland, but I did buy and enjoy both of them (I'm plugging both of those games right now, just so you know they're good). I haven't...
You'll need to earn Mighty Falcons by collecting gold stars. Nab 30, and you'll receive five Mighty Falcons, with more coming once you reach 50 stars, and so on. If you lack the patience to earn stars buy it with the following prices:
20 Mighty Falcons: $1.99
50 Mighty Falcons: $4.99
100 Mighty Falcons: $9.99
200 Mighty Falcons: $19.99