Dude, if only we'd had this thing back in the day when we really needed to annoy our siblings. Plantraco's Butterfly is a lightweight 3.6 gram remote control airplane fully intended for usage in your living room — that's right! Fly with impunity, friends — that's what it's made for! It comes with a combination transmitter/charger that runs on 4 AA batteries and a 10 x 16 x 5-inch carrying case. Cost of the Butterfly: $239. The look on your parents' face when you launch your first mission during the NFL playoffs: priceless.