There is my video.
It's more to help the community and the begginers in Sandbox2, to understand the flowgraphs ,and to do some interesting things..
You'll learn how to create :
-A light which turns on/off
-Items appearing/disappearing (When entering a Proximity Trigger)
-Particle Effects spawning (When entering a Proximity Trigger)
-Nanosuit disabling/enabling with your keyboardhttps://www.youtube.com/watch?v=7HytnPePcUE