THE VIRAL HP PUZZLE CUBE
This isn’t just a puzzle — it’s an initiation. A trial of wit, focus, and willpower. Every movement brings you closer to unraveling the quiet intelligence embedded within its form.
Place it upon your desk, shelf, or altar and let its obsidian geometry stand as both ornament and enigma.
With every purchase, receive a FREE personalized Patronus reading.
Uncover the spirit that guards your soul, drawn from the deepest corners of your psyche.
Orders are processed within 1-2 business days from our warehouses. After dispatch, the estimated delivery time varies based on the shipping method you choose, generally taking anywhere from 3-5 business days.
To track your package in real time, visit our tracking page.
1990\retro offers hassle-free returns within 30 days of delivery.
If you feel that something is wrong with your order, contact support at support@1990retro.com so we may assist in providing you with an immediate solution.
If anything ever goes wrong with your build, we’ve got your back.
No fine print, no runaround—just reach out and we’ll take care of it. For life.
At 1990\retro, your safety and satisfaction are our top priorities. Our products are meticulously designed and crafted to meet the highest standards of quality and performance. Here’s how we ensure a safe and enjoyable experience for all our users:
Rigorous Quality Testing
Each product undergoes extensive testing during the production process to ensure it functions flawlessly under various conditions. From the durability of its compact design to the reliability of its battery, every detail is carefully inspected to meet our high-quality benchmarks.
Safety-First Design
Your safety matters to us. Our product is equipped with heat-resistant components to prevent overheating during extended use. The materials used are non-toxic and eco-friendly, ensuring peace of mind for you and the environment.
Commitment to Longevity
We believe in creating products that last. Each component is chosen for its durability, and our team is always innovating to provide the best possible performance.
Customer Support Promise
We stand by our product. Should you have any questions or concerns, our dedicated support team is ready to assist you. Your feedback is invaluable in helping us continue to improve. Thank you for making 1990\\retro a part of your most cherished spaces. Rest assured that you are holding a product designed with care, precision, and your safety in mind.

A Secret Made to Be Solved Together
More than just a puzzle, it’s a shared enchantment. A quiet challenge for those who believe magic feels strongest when discovered side by side.

The Chamber of Hidden Promises
Solve the sequence, and the cube reveals its heart — a hidden chasm perfect for keeping a tiny note, ring, or secret between two souls.

Darkness Hides the Beautiful
Beneath its blackened shell lies a lesson in patience, wonder, and trust.
What Other Puzzle Lovers Are Saying
⭐⭐⭐⭐⭐ (4.7/5) With 9000+ Satisfied Solvers!






Customer Reviews
FAQ
About The Blackbox
The Nocturne Box is a buildable mechanical puzzle box made entirely from matte black interlocking bricks.
Once constructed, it becomes a sleek, enigmatic cube that opens only when you decipher and perform a precise series of hidden mechanical steps.
It’s equal parts art piece, brain teaser, and object of fascination — designed for those drawn to the mysterious and the mechanical.
Unlike typical construction kits, the Nocturne Box isn’t about building for display — it’s about building to discover.
Every motion, every layer hides meaning and mechanical intent. When complete, it becomes a sealed vault of logic, challenging you (or anyone who dares) to unlock its secret.
The Nocturne Box is rated Medium in mechanical complexity but profound in experience.
Its beauty lies not in frustration, but in the elegance of realization — every twist and slide feels deliberate and deeply satisfying.
Assembly typically takes 30–60 minutes, depending on your familiarity with building bricks.
Solving the sequence usually takes 5–15 minutes — short enough to feel approachable, yet intriguing enough to linger in your mind afterward.
Purpose & Symbolism
The Nocturne Box symbolizes mystery, mastery, and hidden knowledge.
It’s a modern artifact — something that invites curiosity just by existing. Display it on your desk, shelf, or altar; it’s as much a statement piece as it is a puzzle.
Created for:
- Puzzle-solvers who crave tactile mystery
- Collectors of the HP universe who appreciate minimalist, meaningful design
- Thinkers and creatives who find beauty in logic
- Gift-givers seeking something symbolic and thought-provoking
The Nocturne Box is not a toy — it’s an experience of reflection and discovery.
Anything that deserves to be hidden.
A note, a ring, a coin, or a personal secret.
Whatever you choose to seal inside becomes part of the Nocturne Box's lore — a token of mystery awaiting its next solver.
Yes — it can be rebuilt, reset, and relocked infinitely. Each time, it invites a new challenge or a new keeper of its secret.
How It Works
The Nocturne Box operates through a carefully crafted sequence of sliding, aligning, and releasing steps.
Each move must be made in the correct order — a process that feels almost ritualistic, rewarding patience and insight over brute force.
None. Every piece snaps together by hand with a satisfying firmness.
No glue, screws, or batteries — only precise interlocking design.
A step-by-step visual guide is included, along with a digital walkthrough accessible via QR code.
You may consult it… or you may prefer to uncover the sequence through intuition alone.
Absolutely! Once solved, simply reset the sequence, re-insert your secret item, and hand it off to someone else.
Watching them struggle to figure it out (and then seeing their face when they finally do) is half the fun.
Build Quality & Compatibility
Each component is molded from premium black ABS polymer, giving it a solid, weighty feel and a smooth matte finish that resists fingerprints and wear.
The craftsmanship is as precise as the mystery it conceals.
Yes! The Blackbox connects seamlessly with most standard LEGO pieces, allowing limitless customization.
You can modify its exterior, mount it onto a base, or integrate it into larger builds — while the internal locking mechanism remains unique to the Blackbox design.
Approximately 6.4 cm x 6.4 cm x 6,4 cm, about the size of a Rubik’s Cube.
Compact, mysterious, and perfect for display — it looks like something discovered, not purchased.
Extremely durable. The Nocturne Box is built to withstand countless rebuilds and replays.
Its snug interlocking design maintains structural integrity no matter how often it’s handled or reset.
Contents & Assistance
Recommended for ages 10+.
While safe, the Nocturne Box is primarily intended for teens and adults who enjoy logic puzzles or symbolic collectibles.
Yes — the Nocturne Box makes a powerful and elegant gift.
It symbolizes curiosity, intellect, and mystery — ideal for birthdays, graduations, or simply as a token of admiration for someone who loves to think.
Every kit is checked before shipment, but if anything is amiss, we’ll replace it immediately, free of charge.
Your experience should be as seamless as the puzzle itself.
Warranty & Support
Our full Warranty Policy can be viewed here.
This set is made with high-quality third-party bricks compatible with major building systems. 1990\retro creates its own original designs and is not affiliated with LEGO®.



![Nocturne Box [LIMITED EDITION]](http://1990retro.com/cdn/shop/files/blackCube_productImg_1_48PCTOFF_1000x1000px-min.jpg?v=1763233691&width=1000)
![Nocturne Box [LIMITED EDITION]](http://1990retro.com/cdn/shop/files/blackCube_freeDL_patronusReading_FREEDL_1000x1000px-min.jpg?v=1763408107&width=1000)
![Nocturne Box [LIMITED EDITION]](http://1990retro.com/cdn/shop/files/blackCube_productImg_2_1000x1000px-min.jpg?v=1763408107&width=1000)
![Nocturne Box [LIMITED EDITION]](http://1990retro.com/cdn/shop/files/blackCube_productImg_3_1000x1000px-min.jpg?v=1763408107&width=1000)









