Write Real Code,
Watch Shelly Move.
Short coding levels for kids aged 8–14. Type a few lines, press Run, and see every step come to life.
repeat 4 { step turn right step turn left}
Three steps. Under five minutes.
Write
Type commands like step 2, or tap blocks if you're just starting out.
Run
Press Run and watch Shelly act out each line, with the current line lit up as she moves.
Level up
Collect every starfish, earn up to 3 stars for clean code, and unlock the next level.
Fun for kids. Ready for class.
Learn by doing
Code is always visible and editable. Shelly shows the result within a second.
Small wins, steady climb
Each level adds one new idea. Stars reward shorter, cleaner code.
Teacher-ready
Lesson plans, worksheets and answer keys, plus a live view of who's stuck.
Safe by design
No open chat, no ads, and no personal data beyond what a class needs.
10 worlds, from first steps to real code.
Teach coding, even if you've never coded.
Ready lesson plans, auto-graded levels and a dashboard that shows who's stuck, on which level and which line.
Explore teacher tools →Screen time you can feel good about.
No ads, no chat with strangers, and a weekly email showing what your child learned.
For families →The first three worlds are free. Forever.
No credit card. Play as a guest or join your class with a code.