Free puzzle · ages 6+
Klotski Online (Hakoiri Musume)
Hakoiri Musume, “the daughter in the box”, is Japan’s classic sliding-block puzzle. Slide the wooden blocks to get the big one out through the gap.
Japan’s classic sliding-block puzzle, “the daughter in the box”.
- 6+ages
- 5levels
- 25challenges
- Japanfrom
How to play
- Slide the wooden blocks around the box. Blocks can’t be lifted, only slid.
- Get the big red block out through the gap at the bottom.
- Drag a block to slide it, or tap a block that can only go one way.
- The top shows the fewest moves possible; try to match it.
What your child learns
Known in China as Hua Rong Dao and in Europe as Klotski, this sliding-block classic teaches children to think several moves ahead and to make room before they need it.
- Planning ahead Think a few moves ahead before you move.
- Logical reasoning Rule things out until only one answer is left.
- Persistence Try, check and change your mind.
- Working memory Remember which moves free up space.
Pick a level
Start easy, or jump straight to a challenge.
Ready to try Hakoiri Musume?
Free in the browser on phones, tablets and computers. No sign-up, no ads.
Questions parents ask
Is Hakoiri Musume free?
The first 3 Beginner challenges of Hakoiri Musume 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 Hakoiri Musume for?
Hakoiri Musume is recommended for ages 6+. Start on Beginner and move up a level whenever it feels easy.
What does Hakoiri Musume teach?
Planning ahead: Think a few moves ahead before you move. Logical reasoning: Rule things out until only one answer is left. Persistence: Try, check and change your mind. Working memory: Remember which moves free up space.
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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