From the Super Mario Wiki, the Mario encyclopedia
Dream Gliding is a Dream Event in the Wii version of Mario & Sonic at the Olympic Winter Games. It takes place in the Sky Gardens and uses music from the Sky Sanctuary Zone in the game Sonic & Knuckles. The player must blast as many flying Flappers as they can. Red ones are worth two points, while yellow ones are worth three. The player may also receive ten points for hitting another player.