No need to drown trying to get a picture.
All we'd ever see is pictures anyway, and if it looks like the picked over bones of a beached whale, so much the better.
I'm looking at 1/3-scale wheels options and it's come down to toddler bicycle or wheelbarrow wheels. I looked a a pile of wheelbarrow wheels at $2-3 each but no two matched, at least with a bicycle you get a matched pair.