Unlock Limitless Cognitive Focus with the 12 Pcs Metal Puzzle Set 1 (100% Solid Metal • Zero Plastic)

Are you overwhelmed by constant digital notifications, screen fatigue, and brain fog? Welcome to the 12 Pcs Metal Puzzle Set 1 by Puzzlex Shop BD — your trusted destination for the best puzzle in bangladesh and premium cognitive brain teasers.

This master collection combines 12 of the world's most celebrated mechanical disentanglement puzzles. Crafted entirely from heavy-duty cast metal alloys, each puzzle presents an intricate visual-spatial challenge: decouple the interlocking metal parts without using brute force, and reassemble them back to their original state! Whether you are an adult seeking deep mental focus or a parent searching for a screen-free educational puzzle for kids, this set delivers the ultimate brain workout.

🧩 The 12 Master Puzzles Included in This Set

1. 1
   Cary Bag (Chinese Ruyi Lock / The Alchemist - Bronze): A classic ancient padlock puzzle featuring traditional auspicious knotwork. Requires sequential alignment to unlock.
2. 2
   Crawon King (Crown Puzzle / Hanayama Cast Crown): An elegant crown-shaped interlocking ring challenge designed to test spatial coordination.
3. 3
   Four Dimention (Hanayama Cast Dice / 3D Dice Metal Puzzle): A mind-bending 3D cubic puzzle where interlocking dice faces slide across hidden internal axes.
4. 4
   Black Box (Core Puzzle / Locked Ball in Cube): A caged metal sphere trapped inside a geometric core. Requires fine motor dexterity and radial movement to liberate the ball.
5. 5
   Key Lock (Double Key Puzzle / Interlocking Keys): Two identical interlocking antique keys that appear permanently fused until aligned at an exact angle.
6. 6
   Pyramid Puzzles (3-Piece Tetrahedron Pyramid): A deceptively simple 3-piece geometry riddle that challenges you to form a perfect four-faced pyramid.
7. 7
   Ring Lock (Puzzle Ring / Turkish Puzzle Ring): A legendary multi-band puzzle ring requiring precise rotational intertwining to reform the singular band.
8. 8
   Seed Lock (Chinese Seed Lock / Padlock Puzzle): A traditional Chinese padlock mechanism that unlocks only when you figure out the internal trick slide.
9. 9
   Sheel Line (Cast Helix): A dual-spiral helix puzzle requiring rhythmic, coordinated rotational movements to separate and recombine.
10. 10
    Snake Lock (M-Shaped Metal Puzzle / Devil's Claw): The infamous classic wire puzzle that frustrates beginners and delights logic enthusiasts.
11. 11
    Turbo Lock (Triple Nut & Bolt Puzzle / Screw Trick Lock): A mechanical illusion featuring threaded nuts that defy standard physics and unscrewing logic.
12. 12
    Valkery Lock (Cast O'Gear / Hanayama O'Gear Puzzle): A high-precision geared puzzle featuring matching teeth and groove trajectories.

🌟 Key Highlights & Why You'll Love This Bundle

• 100% Pure Metal Construction: Zero plastic, zero wood, and zero fragile pieces. Precision-cast from durable zinc alloy and carbon steel.
• Progressive Difficulty Levels (Level 3 to Level 9): Designed for gradual mastery. Start with the Double Key and Pyramid, then progress to the mind-bending Cast Dice and Cast O'Gear.
• Ultimate Brain-Building Puzzle for Kids & Students: Develops spatial intelligence, logical reasoning, fine motor skills, and perseverance away from phone screens.
• Electroplated Rust-Proof Finish: Smooth, electroplated anti-oxidation surface ensures long-lasting shine, sweat resistance, and zero sharp edges.
• Pocket-Sized & Portable: Quiet, tactile, and compact. Perfect for study tables, office desks, travel entertainment, and stress relief.
• Extraordinary Gift Item: The premier gift choice for birthdays, tech enthusiasts, puzzle hobbyists, and family challenge nights across Bangladesh.

⚙️ Product Specifications

🚚 Delivery & Authenticity Guarantee

• 100% Authentic Quality: Inspected for smooth tolerances and burr-free edges before packing.
• Cash on Delivery (COD): Available across all 64 districts in Bangladesh. Check your parcel upon delivery.
• Fast Dhaka Dispatch: Express home delivery dispatched directly from our Baipail / Dhaka fulfillment hub.
• Real-Time Tracking: Live SMS and courier tracking code provided with every confirmed order.