This page was added to the expanded Crafty Puzzles reference library after the shop closed. It may not have been sold by the original Crafty Puzzles store.
Try a hint before revealing the answer
Open one hint at a time to preserve some of the challenge.
Hint 1
Do not pull the pieces straight apart; look for an orientation that changes which section can pass through the other.
Hint 2
Rotate one piece while keeping the other almost stationary, watching for the widest opening.
Video summary
The official Professor Puzzle video demonstrates the complete separation and reassembly sequence.
The video remains the authoritative visual sequence for this archived page.
Complete Franklin's Key Puzzle solution
Professor Puzzle published an official solution video for this two-piece Great Minds metal puzzle.
Reveal the Franklin's Key Puzzle solution video
Load the solution video
The video is hosted by YouTube and external content loads only after you choose to view it.
Find this or a similar puzzle
Availability changes frequently, so these links search the retailer for Professor Puzzle Franklin's Key Puzzle rather than displaying unverified prices or stock.
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Source and verification
- Archive source
- Professor Puzzle official product record and official solution video — Official product record
- Information checked
- 13 June 2026
- Verification status
- Official manufacturer record and official solution video
- Page status
- Added during archive research
- Rights handling
- Externally hosted video — The video remains hosted by its original platform or publisher. Crafty Puzzles does not download or re-upload it; the page embeds or links to the source and adds original commentary. Read the site-wide policy
