Travel walls and ceilings, dig through soft ground.
Mole Tank Yoshi is one of the forms Yoshi and his species can transform into by touching a Morph Bubble in the Yoshi's Island series. In this form, Yoshi can slowly move up and down walls and ceilings. He is also able to dig through soft ground, creating paths that can lead to secret areas and items. Mole Tank Yoshi is also smaller than regular Yoshi, allowing him to access areas that are otherwise unreachable. He will revert to his regular state if Yoshi touches a Yoshi Block or a timer runs out, the latter of which will take Yoshi back to where the Morph Bubble was.