Free puzzle · ages 5+
Rectangle Block Puzzle
Fill the wooden rectangle with every piece. Turn them, and at the harder levels flip them, until none is left over.
- 5+ages
- 5levels
- 45,000challenges
How to play
- Drag every wooden piece into the rectangle tray.
- Tap to turn a piece, double-tap to flip it.
- At the hardest levels, dark blocks are fixed in the tray: fit around them.
- Fill the tray with no piece left over.
What your child learns
Fitting pieces into a frame builds the same spatial skills as building blocks, with a clear goal and a new puzzle every time.
- Spatial reasoning Picture a piece turned or flipped before you move it.
- Shapes and geometry See how small shapes build a rectangle.
- Persistence Try, check and change your mind.
Pick a level
Start easy, or jump straight to a challenge.
Ready to try Rectangle Tray?
Free in the browser on phones, tablets and computers. No sign-up, no ads.
Questions parents ask
Is Rectangle Tray free?
The first 3 Beginner challenges of Rectangle Tray 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 Rectangle Tray for?
Rectangle Tray is recommended for ages 5+. Start on Beginner and move up a level whenever it feels easy.
What does Rectangle Tray teach?
Spatial reasoning: Picture a piece turned or flipped before you move it. Shapes and geometry: See how small shapes build a rectangle. Persistence: Try, check and change your mind.
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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