Gifts for parents who "don't want anything"

Hey, hope someone can spark my brain please. REALLY struggling with being inspired for any gifts for my mother and father this year. Usually I enjoy hunting down gifts but this year, brain is blank.

Mum: Enjoys watercolours, but also has all her paints and stuff. No food, music, perfume/toiletries, jewellery, films, books, possibly clothing.... (you see my problem?!!) She does like family history as a hobby, but pretty sure she has everything she needs for that.

Dad: Enjoys computers/statistics/"intellectual" pursuits, Chess. Food gifts ok, but he's quite picky. No cds, films, books or toiletries. Clothing could be a good gifts but again, he's picky on style and comfort, and so tends to just wear the same few jumpers in rotation till they wear out.

As a couple, they enjoy walks, although mum suffers badly with her joints atm, so they can't do as much of that as they'd like.

And I know for a fact they'd hate anything "Gifts for Her/Him", name-branded etc.

In the past when this has been a problem, I've usually bought them experiences or something they can just enjoy together. But due to family circumstances, that's trickier to arrange, plus, post-pandemic years, both of them are less keen on anything busy/crowded, like concerts etc. (Which I 100% understand, with myself having issues post Covid. But that's another story.....)

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Thanks in advance for any bright sparks!!

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