F.L.U.D.D. Gun- A gun with a blue handle and F.L.U.D.D.'s head. It can shoot water. It lasts until Mario gets hit, and Mario has to refill it every 20 shots. If there is ever a new 3D Mario game, they should make one or two stages with this item.
Whirlwind- When Mario jumps on a red whirlwind, he becomes Whirlwind Mario. He moves a bit faster, has trouble stopping, and can spin switches, enemies, and NPCs. Mario's feet act as a drill, too. It lasts for about 30 seconds, and when you are done, the controls are briefly reversed (because Mario is dizzy)
Ultra Mario- Mario has a glowing red aura and yellow glowing shoes. He moves at Super Speed, cannot die (if he falls off a ledge, he will fly back up automatically), can fly like Red Star/Flying Mario, can throw balls of light at enemies, and has the ability to explode and deactivate the power-up. This lasts until Mario is hit.