All known elements for Mario Kart 7 thus far
Cups
Mushroom: Toad Circuit, Daisy Hills, Cheep Cheep Lagoon, Shy Guy Bazaar
Flower: Wuhu Loop, Mario Circuit, Music Park, Rock Rock Mountain
Shell: N64 Luigi Raceway, GBA Bowser Castle 1, Wii Mushroom Gorge, DS Luigi’s Mansion
Banana: N64 Koopa Beach, SNES Mario Circuit 2, Wii Coconut Mall, DS Waluigi Pinball
Other Cups: Star, Special, Leaf, Lightning
Battle Stages
GBA Battle Course 1, N64 Big Doughnut, DS Palm Shore, Honeybee House, Sherbet Rink, Wuhu Town
Drivers
Metal Mario, Lakitu, Mario, Luigi, Peach, Yoshi, Bowser, Donkey Kong, Toad, Koopa, Daisy, Wario, Rosalina, ShyGuy, Mii, and two more
Items
Super Leaf, Fire Flower, Lucky 7, Mushroom, Triple Mushroom, Golden Mushroom, Green Shell, Triple Green Shell, Red Shell, Triple Red Shell, Blue Shell, Banana, Triple Banana, Blooper, Bullet Bill, Lightning, Super Star, Bob-Omb
Karts
Birthday Girl, Bruiser, Blue Seven, Bolt Buggy, Standard, Cact-X, B-Dash, Yoshi Egg, Bullet Duck, H2O, Banana Buggy, unknown Bee-shaped kart
Wheels
Standard, Slick, Roller, Monster, Mushroom, Wood, Spongy
Gliders
Flower Glider, Peach Parasol, Super Glider, Swooper, Parafoil
Modes
Grand Prix, Time Trial, Balloon Battle, Coin Runners