World's Fair Puzzle
"World's Fair Trylon - Perisphere Puzzle" made by the "Helenhart Novelty Corp."
Size: Box is 1" by 1" by 2 1/8" tall.
Jig-O-Pin - Puzzle of Tomorrow
"Jig-O-Pin" "Puzzle of Tomorrow," "New York World's Fair" with the Trylon and Perisphere pictured on the box top.
This puzzle had 64 pieces that make a cube when put together.
The puzzle is called "Jig-O-Pin" because you use pins, actually thin metal dowels to hold the pieces together while you build it.
Size: Box is: 10 1/2" by 5 1/2" by 2 3/4". The square puzzle is a 3 1/2" cube.