Originally Posted by rosieteddy:
I would send a note telling Mom she needs to text her arrival and take them from front door.I would explain that they are testing to see who is in control.They are playing you and the parent against each other.Explain its normal behavior ,but the end of the day "changing of the guard"needs to be short and sweet.You could throw in "I will miss our talks "but we need to stop the "shenanigans".Meet her at door hand the kids out shut door walk away.
This is what I would do, except I'd just address it at pickup (while the kids are running around like maniacs anyway lol). "I know you don't like this behavior any more than I do, so we need to put a stop to it" would be the way I'd start that convo.