Code it.
Watch your robot move.
Build programs with blocks, run them on real FF robots, and share your creations with friends — all for free.
Pick a way to play
Start from a fun template and remix it your way.
Featured projects
See what everyone is building right now.
New here? Let's get started
Three easy steps from idea to a robot that really moves.
Pick a robot
Choose a real FF robot or try it right in the simulator.
Drag blocks
Snap colorful code blocks together — no typing needed.
Run & share
Watch your robot move, then share your creation with friends.
YOUR JOURNEY
You're becoming a real developer
Every project you build today is a step toward becoming a robot expert tomorrow.
1TODAY
Code with blocks
Snap colorful blocks together and make your robot move, dance, and talk.
2NEXT
Write real code
Level up from blocks to real Python and command every motor yourself.
3SOON
Design your robot
Invent behaviors, sensors and tricks — your own robot, your rules.
4GOAL
Become a robot expert
Join the engineers shaping the future of embodied-AI robots.