AliExpress.com has it. Just search on there. Note that for Wemos specifically there are a ton of clones that don’t actually say “Wemos” on them. Get the branded ones as the price difference is negligible.

https://www.aliexpress.com/store/group/WeMos/1331105_2571030...

https://m.aliexpress.com/s/item/32765214054.html?spm=a2g0n.s...

https://m.aliexpress.com/s/item/32454217006.html?spm=a2g0n.s...

The soldering iron is the only thing I got state-side. I went with one that has temperature control so I can do lead-free solder.