T i m wrote:

We bought her a convertible shopping trolley, two wheels when taking
it there empty and then 4 wheels when it's loaded and it seems to have
the capacity of a wheely bin. She often pulls that back into the house
(up two steps) on her own with little issue so it's not a strength /
grip issue.

Absolutely no help, but thought you might like Granny Turismo:

https://www.youtube.com/watch?v=g1NXtX2l_6Y

Chris
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Chris J Dixon Nottingham UK
@ChrisJDixon1

Plant amazing Acers.