The Infinity (4-Color)
The hardest challenge I offer. Proceed with caution.
Description
The Infinity (4-Color) is the hardest mechanical puzzle in the collection, designed for serious puzzle enthusiasts who want a true hands-on challenge.
Every move affects the entire system — improving one color often disrupts another — forcing careful planning, pattern recognition, and multi-step reasoning.
The puzzle features smooth, tactile rotational movement and a tightly coupled track system that rewards precise, deliberate manipulation. Each solve state feels unstable, requiring constant adjustment and forward thinking.
Built for engineers, programmers, architects, and anyone who enjoys deeply technical problem-solving, it works as both a focus tool and a highly engaging desk puzzle for sustained play.
Objective
Difficulty Level: 10/10
3D printed in PLA, a durable plant-based thermoplastic. Keep away from intense heat and don't store in direct sunlight.
⚠️Safety notice: While balls remain securely in tracks under normal use (and our thorough drop testing), deliberate misuse (e.g. prying with tools) may dislodge them, creating a choking hazard. Not suitable for children. Ages 14+.