A fun, interactive 3D brick-building game. Snap bricks together, create with AI, and build amazing things — perfect for kids and builders of all ages.
A full-featured brick-building experience in your browser — no download required.
Drag, drop, and snap bricks together on a 3D grid. Standard bricks, plates, tiles, and customizable minifigures — all with satisfying grid-line snapping.
Type "Build a small house with a red roof" and watch the AI generate it. Supports OpenAI, Google Gemini, and Groq providers.
Designed for playing with kids! Simple controls, vibrant LEGO-inspired colors, interactive tutorial, and touch-friendly interface.
Complete keyboard navigation, trackpad-optimized camera controls, and an on-screen D-pad for touch devices.
Made a mistake? Cmd+Z to undo, Cmd+Shift+Z to redo. Full history persisted across sessions so you never lose progress.
Cmd+K command palette for quick access to everything. Export your creation as PNG — save, copy, share, or print.
Drag bricks, snap them together, and build anything you can imagine — right in your browser.
No downloads, no sign-ups. Just open the app and start building.
Choose from standard bricks, plates, tiles, and minifigures in a vibrant LEGO-inspired color palette. Use the sidebar or press Cmd+K to quickly find any brick type.
Place bricks on the 3D grid with satisfying snap-to-grid alignment. Drag to move, use arrow keys for precision, and stack bricks high. Undo mistakes with Cmd+Z.
Export your masterpiece as a PNG image — save it, copy to clipboard, share on social media, or print it out. Or let AI help you build: just type "Build a castle" and watch the magic.
No downloads. No sign-ups. Just open the app and let your imagination run free. Build solo or create with your kids.
Start Building — It's FreeFree & open source · Works on desktop, tablet & mobile