Craftmaster and Jaymar released a series of tray puzzles.
There were 4 Craftmaster puzzles, and these are the most common out of all the tray puzzles.
The Jaymar Puzzles had the blue borders and had the artwork from their boxed floor puzzles.
Below shows how they were packaged, as 2-packs (shown front/back).
Packaged puzzle photos: Kristin Smith
This is a very rare Super Powers Jr tray puzzle, and has no manufacturer info on the front or back.