Build games and appswith colorful blocks.

Snap blocks together to make platformers, mazes, quizzes and more. No typing required.

Free to start · Works in your browser · No install needed

Game Lab

Sprites, costumes, sounds, and a stage. Make platformers and mazes.

App Lab

Drag UI components onto a phone, then add behavior with blocks.

3D Design

Create objects on a workplane with kid-friendly shapes and colors.

Circuit Lab

Build electronics with batteries, LEDs, sensors, motors, and microcontrollers.

Classes

Teachers create classes; learners join with a simple code.