(They do ship internationally and to the U.S.)
(But I also like finding/restoring old Stanley planes when possible, which is cheap and ethically satisfying).
Also you can make your own tools from scrap tool steel. I made a hand adze from a broken horse hoof rasp when I was a kid. Encourage your kids to hack stuff and make their own tools.
But I cannot help but feel like using a lathe misses the point of hand carving a wooden bowl. In the same way most whittling could technically be accomplished much faster using a dremel.