All Available Episode
All Specials Episode
1. Your World of Invention - Upside-Down-O-Scope
Build your own cracking contraption Upside-Down-O-Scope!
2. Your World of Invention - Wind-Powered Sprinkler
Build your own cracking contraption Wind-Powered Sprinkler!
3. Your World of Invention - Atmospheric Railway
Build your own cracking contraption Atmospheric Railway!
4. Your World of Invention - Fin Ray Grabber
Build your own cracking contraption Fin Ray Grabber!
5. Your World of Invention - Spy Camera
Build your own cracking contraption Spy Camera!
6. Your World of Invention - Air Rocket
Build your own cracking contraption Air Rocket!