5 Sun 9 + 1 Steps Kuro-asa

The 9-Step Mental Workout

The true appeal of this Himitsu-bako lies in its clever internal mechanics. Operating with satisfying precision, the internal wooden rails demand a precise, logical approach. You must execute a rigid sequence of 9 sliding movements across the panels. Only after navigating this tactile maze will one final move (+1) grant you access to the secret storage space.

The Dark Hemp Design

Visually, the puzzle box commands attention. It is entirely enveloped in the Kuro-asa pattern, a traditional geometric representation of hemp leaves. Rendered in deep, rich brown woods, the design feels grounded and elegant. Because hemp is known for its fast, straight growth, Japanese artisans have long used this pattern to symbolize resilience and strong vitality.

Hakone Woodworking Heritage

The exterior marquetry is a testament to the centuries-old woodworking tradition of the Hakone region. Every tiny triangle in the hemp-leaf mosaic is meticulously fitted by hand, turning an intellectual challenge into an exquisite piece of decorative art.

Technical Specifications

Condition: Pre-owned, very light scratches, see photos above

The Challenge: 9 sequential steps + 1 final slide

Materials: Natural wood featuring dark Yosegi-Zaiku (Kuro-asa pattern)

External Dimensions: 14.9 × 9.7 × 6.7 cm (5 Sun Format)

Our Promise of Excellence

Each piece in our collection is rigorously inspected and tested by us to guarantee the fluidity and integrity of its mechanism. For your complete peace of mind, this item is shipped with meticulous care from France, ensuring fast delivery and the total absence of customs duties within the European Union.