Your World of Invention - Upside-Down-O-Scope

E1

Build your own cracking contraption Upside-Down-O-Scope!

Your World of Invention - Wind-Powered Sprinkler

E2

Build your own cracking contraption Wind-Powered Sprinkler!

Your World of Invention - Atmospheric Railway

E3

Build your own cracking contraption Atmospheric Railway!

Your World of Invention - Fin Ray Grabber

E4

Build your own cracking contraption Fin Ray Grabber!

Your World of Invention - Spy Camera

E5

Build your own cracking contraption Spy Camera!

Your World of Invention - Air Rocket

E6

Build your own cracking contraption Air Rocket!