A portion of a PBS NOVA video discussing the concept of emergence (or complex adaptive systems) where patterns emerge in nature where agents follow simple rules.
A video (7:54) for teachers and facilitators with helpful techniques on facilitating design-and-build activities in ways then encourage students to become self-sufficient problem solvers.
This link will take you to the playlist for the Project GUTS/CS in Science youtube channel, where videos for each module and for teaching and StarLogo Nova tips are organized.
This is an example of how a computer modeler uses various aspect of computational thinking while designing, creating and using a computer model as a tool to think with.