1 - Your World of Invention - Upside-Down-O-Scope
Build your own cracking contraption Upside-Down-O-Scope!
Specials
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Episodes
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!