The kin of these Japanese nesting eggs are the treen apples one sees around from time to time housing a spinning horse race game inside. These are a bit rarer from what I can tell, c. 1920s-40s I believe, with each of the eggs but for the largest one hand-decorated, I would guess while they were spinning around on a lathe. This set yields five complete eggs, which hold together snugly, and then there are four more unmatched halves that fit neatly inside but don't have the other halves to complete them.

Largest (outside) egg measures approx. 2 2/4" long x 3/4" in diameter. There is one small hairline crack along the lip, minor. Otherwise all in very good condition and really lovely.