Piston Puzzle - Sequential Discovery Puzzle — Felix Ure
✦ Seven-stage negotiation

Piston Puzzle - Sequential Discovery Puzzle

Felix Ure · Kubiya Games · Metal Enigmas
“Seven stages of solid-brass diplomacy to liberate one captive ball. Ure's negotiations are fair, firm, and infuriating.”
Who it's for: best for solvers who enjoy a real fight, with a serious smugness payoff on solving.
How hard: Wickscore 6.5/10 — a serious flame.
Where in stock: In stock at Kubiya Games for $274.00 as of Jun 11, 2026.
$274.00 ✦ Seek it at Kubiya Games 🕯 wick alight
Fun axes
Weirdness ✦✦✦✦✦
Rage-quit risk ✦✦✦✦✦
Guests will ask ✦✦✦✦✦
Smugness payoff ✦✦✦✦✦
Gift danger ✦✦✦✦✦

From the field: The maker specifies a seven-stage sequential-discovery solution in solid brass, rated 4/5 difficulty, to find the brass ball locked inside.

In the maker's words

A beautiful mechanical puzzle crafted from solid brass with a unique, seven-stage, sequential discovery solution. ​ The goal is to find the brass ball locked inside the cylinder. Designed by Felix Ure the puzzle is rated 4/5 in difficulty.

More from Metal Enigmas

The whole realm →