Subject, Skills, and Grade Level
Teamwork, creativity, empathy, simple survival skills. 4+

Time & Players
Anywhere between 30 min and 2 hours, depending on rolls and how descriptive players get. 3-5 players would probably be best.

Rules, Tools, & Assessment
Rotating GM or an older player remains the GM. A print-out of the instructions and paper and writing implements to keep track of things.