$299 for a 1.5-hour flyboarding lesson for one or two people from FlyBoard (a $600 value).
Developed in 2011, the Flyboard sends watersports enthusiasts soaring through the air on an invigorating high - literally. This nifty technology connects to a personal watercraft and enables you to shoot in and out of the water like a dolphin - or Iron Man, if you prefer...