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Mechanical Puzzles Master Archive

Double Lids Puzzle Box

★★★★½ 4.7 (3 Verified Collector Reviews)
| SKU: 004-A3-DOUBLE-LIDS-BOX | ● In Stock (California Vault)
$125.00

This masterfully crafted puzzle box is a brilliant evolution of the original "PENTAGON (M-8)" by renowned creator Kamei (1984). While its appearance is minimalist and refined, don’t be fooled—this box holds a secret that will truly surprise even seasoned puzzlers. The lid, marked with a subtle purple line, may seem like the key—but removing it isn’t the solution. In fact, it’s your first clue. Ingeniously designed, this puzzle invites you to think beyond the obvious and challenges your perception at every step. Whether you're a collector or a curious mind, this cleverly updated design offers a delightful and unexpected solving experience.

Artifact Highlights:
This masterfully crafted puzzle box is a brilliant evolution of the original "PENTAGON (M-8)" by renowned creator Kamei (1984)
While its appearance is minimalist and refined, don’t be fooled—this box holds a secret that will truly surprise even seasoned puzzlers
The lid, marked with a subtle purple line, may seem like the key—but removing it isn’t the solution
In fact, it’s your first clue
Ingeniously designed, this puzzle invites you to think beyond the obvious and challenges your perception at every step
Quantity:
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Materials Solid Japanese Walnut, Keyaki & Magnetite
Finish Natural Hand-Rubbed Linseed Oil & Beeswax
Difficulty Level Level 4 / 5 (Expert)
Estimated Solve Time 90 to 180 Minutes
Mechanism Type Sequential Discovery & Disentanglement
Dimensions Approx. 3.2" x 2.8" x 1.9" (81 x 71 x 48 mm)
Weight 9.2 oz (Solid Heavyweight)
Origin Designed in Japan & USA / Precision Engineered
Packaging Rigid Arcana Collector Gift Box with Solution Seal

Curator Notes: Double Lids Puzzle Box

This masterfully crafted puzzle box is a brilliant evolution of the original "PENTAGON (M-8)" by renowned creator Kamei (1984). While its appearance is minimalist and refined, don’t be fooled—this box holds a secret that will truly surprise even seasoned puzzlers. The lid, marked with a subtle purple line, may seem like the key—but removing it isn’t the solution. In fact, it’s your first clue. Ingeniously designed, this puzzle invites you to think beyond the obvious and challenges your perception at every step. Whether you're a collector or a curious mind, this cleverly updated design offers a delightful and unexpected solving experience.

Each production run of this artifact is executed in limited atelier batches. Hand-assembled and calibrated with precision tools to ensure that physical resistance, kinetic balance, and aesthetic presentation meet the stringent heirloom standards of Arcana Vault.

Domestic US Shipping & Master Guarantee

Complimentary Domestic US Shipping: Orders containing over $75 in curios qualify for free fully insured carbon-neutral standard delivery (FedEx Priority / USPS Ground Advantage).

Dispatch Time: Orders placed before 2:00 PM Pacific Time dispatch the same business day from our San Francisco fulfillment center.

30-Day Master Guarantee: If this artifact fails to deliver utter delight, you may return it in its original archival packaging within 30 days for a full refund.

Genevieve L.
Cambridge, MA • 4 days ago
★★★★★
Exquisite Craftsmanship & Wonder

The machining tolerances on this piece are truly mind-boggling. Smooth, completely silent movement until that sudden satisfying click.

Alistair Finch
Chicago, IL • 12 days ago
★★★★
Remarkable Quality & Detail

Substantial weight in the hands. It looks like an elegant museum artifact sitting on my walnut desk, and everyone who visits tries to solve it.

Eleanor Vance
Seattle, WA • 28 days ago
★★★★★
Exquisite Craftsmanship & Wonder

Deceptively simple at first glance, but the internal hidden maze requires true spatial intuition. Worth every single penny.

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