For your consideration is a vintage Dexterity Game / Jiggle Puzzle

showing

A chicken wearing an army cap and carrying a sword

with

Two little metal balls

The object is to get both balls into the holes (one at the eye and one at the leg).

It is unmarked but most likely made in Japan probably in the 1940s or 1950s.

It measures 3 inches in diameter and 7/8ths of an inch in depth.