There are fake rocks, that are light like foam that can be stuck to the sides of the wall with Velcro which will give them more area to run on.
(fake rocks; are; light like foam) (foam; can be stuck; to the sides of the wall with Velcro) (the wall with Velcro; will give; them; more area to run on) (that; are light like; foam)
fake rocks foam the wall with Velcro that
are can be stuck will give are light like
light like foam
to the sides of the wall with Velcro
them more area to run on
foam