I saw literally hundreds and hundreds of vintage dexterity puzzles at a toy show last weekend. Several dealers had entire display cases full of them, and I spent what seemed like hours (oh: my long-suffering toy shopping companion just told me it was hours...) picking through them. In the end, I selected these three.
A fortune teller "Jiggle" puzzle from 1957:
A tiny Cracker Jack prize puzzle just 1 3/4 inches tall, from the late 1960s-early 1970s, made of paper and fragile plastic, with a fantastic character design:
And a wonderful space-themed, dome-shaped puzzle, from the 1950s, with great mid-century space race graphics: