The Spinoff has a great Mothers' Day wishlist from actual mothers. If you feel sucked in by this commercially-driven phoney holiday, you can at least find some useful suggestions here. Highly recommended before you rush out to buy a useless Chinese gadget that will either be ignored or will break.
I can't include a link for it because the censor is freaking out. I'm sure you can work it out for yourself:
* insert https
** insert naughty word