At four and a half times the gravity, the contents of a full bladder would weigh in at over four and a half pounds; a poop, a bit less. Spacefarers will either have to develop sphincter muscles the size of doughnuts or wear a diaper with suspenders.
I always thought that was the button for a mobility management device for use by parent/teacher. Edit: Well that makes no sense since the photo didn't post
With all the reflective surfaces these animations have to offer, you'd think, at least once, you'd find a reflection of film crew and/or equipment. Of course they may very well be, but we can't see them because they're in a different dimension.
I found the best way to recycle those singing cards is to remove the electronics, replace the button cell with a long tube of AA's. Wrap the whole thing up in electrical tape and slide it into the tubular frame of the toilet partition at work. You'll have your co-workers humming Jingle Bells well into Easter.
Edit: Well that makes no sense since the photo didn't post