Mario, Luigi, and Blue Toad on the Bonecoaster.
|First Game||New Super Mario Bros. Wii (2009)|
|Appearances||New Super Mario Bros. Wii|
Bonecoaster is an ally only appearing in World 8-7 in New Super Mario Bros. Wii. They prevent them from falling in the lava in the air. Bonecoasters don't hurt anyone. If all of the players Ground Pound at the same time, then Bonecoaster will fall into the lava.