Piston – Advanced Sequential Discovery Puzzle by Felix Ure Arrma Its concealed sequence makes it

Its concealed sequence makes it a satisfying challenge for solvers who enjoy methodical experimentation

and one 3-D Radical Karate Kennedy coin

Traxxas TRX-4 Bronco Ranger

Tamiya Landfreeder

Metal shaft with plastic ends

Piston – Advanced Sequential Discovery Puzzle by Felix Ure Arrma Its concealed sequence makes itPiston Advanced Sequential Discovery Puzzle Piston is a solid brass sequential discovery puzzle designed and produced by Felix Ure. The objective is to find the hidden brass ball. The solve unfolds through a seven stage sequence, making Piston a layered mechanical challenge that rewards careful observation and patient handling. Its substantial brass construction gives it a satisfying weight and feel throughout the solve. Felix Ure designs and makes