My DC were at friends for tea today for a total of 3 hours & bar a short break for tea spent the entire time playing on a DS/iPad/laptop or watching TV 
AIBU to think if you invite a child over to play there should be at least some (if not all in the case of youngest age 4) actually playing
. Both now completely wired & grumpy not to mention annoyed at me because I won't let them watch some tv as agreed earlier in the day. Would it be really rude to ask a parent not to allow screen time when I drop off?