Grandma's Mother's Day gift policy is usually: do not bring more clutter, do not spend money I do not have, and do not make me fake gratitude.
Set the quiz to 'Grandma' for the relationship question. The quiz weights items toward keepsakes she will display, comforts she will use, and away from heavy experience tickets that require mobility she may not advertise.
Strongest single picks. Custom hardcover photo book of the past year, designed by you ($60 to $150). Birthstone fine jewelry with the grandkids' stones ($120 to $480). Wifi photo frame, set up before gifting, pre-loaded with 50 photos ($95 to $220).
Comfort tier. Cashmere wrap scarf ($80 to $220), linen pillowcases ($60 to $120), single soft cotton robe ($60 to $120), hand-poured candle trio ($42 to $85). All four wear out, get used, and leave no clutter.
What to skip. Heavy gifts. Experience tickets without an offer to drive her there. Plants she has to water on a schedule (she has a system, do not disrupt it). Glitter 'world's best grandma' anything (display obligation only).
If she is far away. Three-month flower subscription ($90 to $180) shows up on her counter without coordination. Two-week meal delivery gift card ($100 to $200) is a quiet 'you do not have to cook' she will not say thank-you for but will use every week.
The free gift that beats most paid gifts. A scheduled video call with the grandkids on Sunday morning, with each kid having one specific story prepared about the past month. The story is the gift; the call is the wrapping.