Inverse Trik Puzzle Keychain: Pyramid Power in Your Pocket

Inverse Blinx Puzzle Keychain: Twist, Solve, and Take It Anywhere

Roman Lock Box - Secret Gift Box Puzzle

Grecian Trick Lock- Theodorus' Key and Lock Puzzle

Yin Yang - Metal Ring Puzzle

Roman Arches - Interlocking Metal Puzzle

Viking Sun Compass - Metal Puzzle

Curated Collection 5-Pack - Assorted Wooden and Metal Puzzles