| Brand | Felix Ure |
|---|---|
| Material | Metal |
| Shape | Cylinder |
| Type | Trick Opening |
| Size | See Description |
| Theme | Remove the Steel Ball |
| Year | Unknown |
Check the listing for details. Piston II - Felix Ure - 6 Stage Sequential Discovery Puzzle. Condition: New. Listed at 309.99 USD. Engage with the intricate challenge ofPiston II, a masterful sequential discovery puzzle designed and produced byFelix Ure. Piston II - Felix Ure. Piston II - A Robust Sequential Discovery Puzzle. Difficulty Level: Challenging, ideal for puzzlers seeking a complex and tactile sequential discovery experience.