Free · Stack a bright tower into the sky

Rainbow Voxel Tower for Kids

Use six colorful blocks to stack a tall tower on a marked stone and gold base.

  • Clear, kid-friendly steps
  • Private in your browser
  • No signup

Friendly voxel worlds

Rainbow tower challenge

Stack colorful blocks on the round base and make a tower that reaches the sky.

Build goal24 tower blocks
Blocks added 0 Goal stars 0/3 Build block Coral Building the world
The tower base is marked. Add 24 blocks without covering your path.WASD or arrows move. Drag the 3D view to look. Space jumps. Left click removes; right click places.

Runs only in this tab with Noa and Babylon.js. No login, multiplayer, chat, ads, uploads, or saved worlds.

Powered by noa-engine, an open-source library available under MIT.

Three simple steps

How to use it

  1. Enter the world, then use WASD, arrows, touch controls, or the big movement buttons.
  2. Drag to look. Choose a block, then place, remove, or undo with the clear controls.
  3. Reset to restore the starter world. Nothing is uploaded, shared, or saved.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.