You run as fast as you can at one of the marshmallow walls slamming in to it at full speed and
BOUNCE!
straight across the room to bounce off the far marshmallow wall. You continue to bounce from wall, to floor, to ceiling, and back again. Finally, before you become sick from all the bouncing around you bounce right through one of the marshmallow walls to find yourself right back at the beginning.
[Beginning] (../marshmallow.md)