Premium content
Premium levels
Levels 1–2 stay free – the whole path from HTML to JavaScript. Levels 3–6 unlock with a one-time payment – access lasts forever, paid by a parent.
Level 3 – Master
7 € one-time
React & Node.js – 10 lessons, your own server and a guestbook.
- Every lesson in the level, forever
- A certificate once you finish
- First lesson free as a preview
Level 4 – Data pro
10 € one-time
Git, GitHub & SQLite – 6 lessons, data that survives, and backed-up code.
- Every lesson in the level, forever
- A certificate once you finish
- First lesson free as a preview
Level 5 – Inventor
14 € one-time
AI & APIs – 8 lessons, weather, maps and your own chatbot on your website.
- Every lesson in the level, forever
- A certificate once you finish
- First lesson free as a preview
Level 6 – Project lead
18 € one-time
Domain, deployment and launch – 8 lessons, your website at its own address.
- Every lesson in the level, forever
- A certificate once you finish
- First lesson free as a preview
Card payment via Stripe. After payment you get an invoice (PDF) by email. The account belongs to a parent – for GDPR reasons for kids under 15.
What you already get for free
- Prep + Level 1 Builder (12 HTML/CSS lessons)
- Level 2 Wizard (8 JavaScript lessons)
- Certificates for levels 1 and 2
- Glossary, browser-saved progress, dark mode
Already have access?
Sign in with the parent's email – content unlocks right after the payment is activated (usually within a few minutes).