The submarine, pogo bouncer, train, and flying power buttons are an object that are used for Rocket in "The Great Sky Race Rematch".
Summary[]
In The Great Sky Race Rematch, Rocket uses his transformation buttons to transform into different vehicles and while Quincy repairs the flying button, Rocket transforms into a submarine to swim across the Pacific Ocean, pogo bouncer to bounce over the Altai Mountain, Train to chug across the Sahara Desert, and once Quincy is one hundred percent complete of the flying button repair progress, Rocket transforms into a normal flying button to finish the battle race of the great sky race.
