>>2212342A. I think this will be better than washing in the clothes in the lake. 1. This option seems like it will bring the most conflict among the campers (conflict makes a story fun). 2. The washer and dryer could be the type that will lock the door when started with no way to cancel (to prevent stolen clothes [of course if the clothes are neglected after the machine is done, clothes will disappear]). Meaning if washing ALL the clothes there is no way to get them back till the machine is done 3. Machines doing the laundry means the girls can do something fun in while waiting.
