uses for an old Soft Tub (soft sided hot tub)?

We have an old 4 person Soft Tub that is missing its motor (broken). The lining is not in very good shape but the exterior of the tub is ok. Any thoughts on projects/uses for the tub?

superpants5 years ago
Ball pool?
Burf5 years ago
A toddler corral.
Kiteman5 years ago
Photos would be a help.