Wooden puzzle – Einstein's Key (IQ Lock)

Einstein's Key – Pocket-sized Mechanical Puzzle

A lock that only opens with your intelligence.

Slide the blocks into the correct order. Unlock the mechanism. Release the key. On paper, it's simple. In reality, it's a challenge that tests your logic, patience, and foresight.

A Demanding Mechanical Puzzle

Einstein's Key is not a gadget: it's a real 3D puzzle that tests your spatial reasoning. Every move counts. Every block must be moved in a precise order for the mechanism to unlock.

Part of the Einstein series, known for its clever puzzles, this model combines elegance and difficulty. The result: an object that you handle, turn over, observe... and that resists until the solution finally appears.

Difficulty level: 3/6 – Difficult
Average resolution time: between 3 and 30 minutes (depending on your approach and perseverance)

Why this puzzle stands out

• A 100% mechanical challenge: no batteries, no screen. Just you and the puzzle.
• Portable format: compact and robust, it slips everywhere and can be handled anywhere.
• Careful finish: crafted wood, metal mechanism, transparent protective plate. The object is as pleasing to look at as it is to solve.
• Ideal gift: for puzzle enthusiasts, curious minds, and all those who love tangible challenges.

Technical specifications

• Principle: slide the blocks to unlock the mechanism and release the attached key
• Materials: wooden structure, metal elements, transparent protective plate
• Puzzle dimensions: approximately 7.5 × 10.2 × 1.5 cm (2.95 × 4.02 × 0.59 inches)
• Box dimensions: approximately 15 × 15 × 3.8 cm (5.91 × 5.91 × 1.50 inches)
• Recommended age: 7 years and up

Box contents

• 1 IQ Lock puzzle
• 1 key attached to the mechanism

Safety warning: Contains small parts. Not suitable for children under 3 years old (choking hazard).