The B. Lock

The B.-B. Lock is an ingenious mechanical puzzle lock , designed by Boaz Feldman , the worthy successor to the legendary Dan Lock created by his father. This puzzle lock is a fully functional lock , complete with its key… and yet, the key doesn't even fit in the lock .

The challenge is clear: open the padlock using the key , without using force or any external tools. But very quickly, one thing becomes obvious: simply turning a key isn't enough to open this padlock . All the necessary elements for the solution are provided with the puzzle; the challenge lies in understanding how to use them correctly .

The B-Lock is less extreme than the Dan Lock , but it shouldn't be underestimated. Solving it requires observation, logic, and a shift in perspective. Once the solution is found, the puzzle offers a genuine "Aha!" moment , extremely satisfying. Before you can even use this lock to secure an object, you must first solve the puzzle .

Rated EXTREME (4/6) , the B-Lock Puzzle offers an average solving time ranging from 30 minutes to 30 days , depending on the player's experience and analytical skills. Recommended for ages 10 and up, it's an excellent puzzle for both seasoned puzzle enthusiasts and young logic lovers.

Made from genuine Nabob padlocks produced in Israel , the B-Lock is precision-machined into a unique puzzle lock. The materials used— brass and stainless steel —ensure robustness, durability, and a premium feel. The padlock measures 6.4 × 4.3 × 1.3 cm and weighs approximately 500 g , offering a compact yet solid presence.

The puzzle is packaged in a felt bag , accompanied by Boaz Feldman's official instruction card and a link to the solution video . Today, Boaz continues the family legacy begun by his father over thirty years ago, producing some of the finest modern puzzle locks in the world .

At once a mechanical puzzle , a collector's item and a rewarding logic challenge , the B-Lock Puzzle is a must-have for anyone who loves clever, stylish and deeply satisfying locks to solve.

Product information:

• Solid metal mechanical puzzle padlock
  
• Type: Puzzle lock / Keyed padlock with secret mechanism
  
• Objective: to open the padlock using the key by understanding the mechanism, without force or external tools
  
• Difficulty level: Advanced ★★★★☆☆
• Materials: brass and stainless steel
  
• Dimensions: 6.4 × 4.3 × 1.3 cm
• Weight: approx. 500 g
• Recommended age: 10 years and older

If you enjoy this metal padlock puzzle , check out our other metal puzzles for a variety of challenges. Also explore our collection of wooden puzzles , perfect for complementing your selection of brain teasers. with different mechanisms.