Luban Lock: a free puzzle game for kids aged 7+

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.

What children learn

  • 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.

Levels

  • Beginner, ages 7+
  • Intermediate, ages 8+
  • Pro, ages 10+
  • Hacker, ages 12+
  • Demon, ages 13+

Free to play in the browser, with no sign-up and no ads. How to play Luban Lock · More puzzles for kids