The PicoLock brass sequential discovery puzzle lock by Boaz Feldman, compact but surprisingly complex
The PicoLock by Boaz Feldman resting on a black display stand — a compact puzzle that's easy to keep on a desk between solves.
The miniature PicoLock sequential puzzle presented on a sleek white display stand. A heavy, genuine brass heirloom item that serves as an unexpected gift for gadget lovers who enjoy physical challenges.
A hand holding the 40mm wide PicoLock to demonstrate its portable size. An engaging, high-value pocket challenge designed to get people off their phones and focused on spatial logic reasoning.
The PicoLock pocket-sized mechanical puzzle lock showing its complex design and included fabric bag. A compact yet highly challenging brain teaser included in the ultimate collection bundle.
The PicoLock brass sequential discovery puzzle lock by Boaz Feldman, compact but surprisingly complex
The PicoLock by Boaz Feldman resting on a black display stand — a compact puzzle that's easy to keep on a desk between solves.
The miniature PicoLock sequential puzzle presented on a sleek white display stand. A heavy, genuine brass heirloom item that serves as an unexpected gift for gadget lovers who enjoy physical challenges.
A hand holding the 40mm wide PicoLock to demonstrate its portable size. An engaging, high-value pocket challenge designed to get people off their phones and focused on spatial logic reasoning.
The PicoLock pocket-sized mechanical puzzle lock showing its complex design and included fabric bag. A compact yet highly challenging brain teaser included in the ultimate collection bundle.

PicoLock

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  • $119.00
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🔬 The PicoLock - Small But Seriously Impressive

In the world of mechanical puzzles, there is a common myth: bigger means more complex.

Then came PicoLock.

You are holding a compact brass padlock in the palm of your hand. 40mm wide, pocket-friendly, completely unassuming. You have a key and a securing ring. The obvious move is to slide the key in, give it a turn, and watch the shackle pop.

It does not work like that.

What Boaz Feldman managed to fit inside this tiny housing is remarkable. A multi-stage sequential discovery puzzle, packed into a lock that should not logically have room for one. It is a bit like building a ship inside a lightbulb. The PicoLock challenges you to slow down, listen to the micro-movements of the mechanism, and figure out what is actually going on inside something this small.

🎁 Who Is This For?

The PicoLock is perfect for engineers, gadget lovers, and anyone who appreciates clever design. It is also a great gift for someone who already has a puzzle lock and wants to experience something completely different. The compact size makes it travel friendly and easy to keep on a desk or in a pocket.

Do not be fooled by the size. This puzzle will keep an experienced solver busy for hours.

👥 More Fun With Others

Leave it on the coffee table at your next gathering. Because it comes with a key and an intriguing securing ring, it immediately grabs people's attention. Watch friends and family try to turn the key, get stuck, and try to figure out what they are missing.

Once you crack it, reset it and hand it to the next person. The compact size means it travels easily from hand to hand.

🛠️ Specifications

  • ⏱️ Average solving time: 8 hours
  • 🎯 Difficulty: Beginner to Intermediate
  • 🏗️ Type: Sequential discovery
  • 🔩 Material: Brass and stainless steel
  • 📐 Dimensions: 60mm height, 40mm width
  • ⚖️ Weight: 180g
  • 🎨 Designer: Boaz Feldman

No force allowed. The goal is to open the lock without hitting, banging, or using any external tools.

📦 What's Included

  • 🔬 PicoLock sequential discovery puzzle lock
  • 🛍️ Fabric carrying bag
  • 📑 Instruction card

🛡️ No Spoilers

We believe the magic is in the mystery. This page, the packaging, and the instruction card contain zero spoilers. The solution stays hidden until you find it yourself.

⚠️ Safety note: Contains small parts. Keep away from children under 3.