Free puzzle · ages 7+
Luban Lock & Burr Puzzle Online
Luban locks are China’s classic interlocking wooden puzzles. The pieces hold each other tight; find the one that slides, then the next, until it comes apart.
Named after Lu Ban, China’s legendary master carpenter.
- 7+ages
- 5levels
- 29challenges
- Chinafrom
How to play
- Tap a piece to pick it; brass arrows show the ways it can slide.
- Slide pieces one at a time until the lock comes apart.
- Drag the table to turn the puzzle and look at every side.
- The hardest level is the wooden magic ball.
What your child learns
Luban locks are China’s classic interlocking puzzles. Taking one apart in 3D builds the kind of mental rotation engineers and designers use.
- Spatial reasoning See how pieces lock together in 3D.
- Planning ahead Think a few moves ahead before you move.
- Persistence Try, check and change your mind.
- Working memory Remember the order the pieces came out.
Pick a level
Start easy, or jump straight to a challenge.
Ready to try Luban Lock?
Free in the browser on phones, tablets and computers. No sign-up, no ads.
Questions parents ask
Is Luban Lock free?
The first 3 Beginner challenges of Luban Lock are free in the browser, with no sign-up and no ads. Family Pro unlocks every challenge at all five levels, the hint coach, solutions and saved progress. During early access, every level is open to try.
What age is Luban Lock for?
Luban Lock is recommended for ages 7+. Start on Beginner and move up a level whenever it feels easy.
What does Luban Lock teach?
Spatial reasoning: See how pieces lock together in 3D. Planning ahead: Think a few moves ahead before you move. Persistence: Try, check and change your mind. Working memory: Remember the order the pieces came out.
Does it work on phones and tablets?
Yes. It plays in any modern browser on phones, tablets and computers, with touch or a mouse.
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