Mini Aluminium Cryptex — Easy 3-Ring Keychain Puzzle
A pocket-sized aluminium cryptex with three letter rings and a tiny hidden compartment — clips right onto your keys.
- Expected delivery before
- Free Shipping on Orders Over AUD A$92.99
A pocket-sized aluminium cryptex with three letter rings and a tiny hidden compartment — clips right onto your keys.
| Material | Brushed Aluminium |
| Rings | 3 |
| Difficulty | Easy |
| Dimensions | 6 x 2.5 cm |
| Weight | 45g |
| Age | 8+ |
This mini cryptex turns idle moments into brain-training opportunities. Clip it to your keys or bag and challenge friends to crack your code wherever you go. A fun screen-free fidget that builds sequential thinking.
Slip a tiny message inside before gifting for an extra surprise. The compact size and low price make it perfect for party bag fillers, desk gifts for coworkers, or stocking stuffers during the holidays.
Hard
Expert
Medium
Medium