1) Caine is a 9-year-old boy who built an arcade out of cardboard in his father's auto parts store, which became an international phenomenon after being featured in a viral video. 2) The document discusses how Caine's personal identity and experiences shaped his ability to create the arcade, including encouragement from his father and the cultural values he was exposed to. 3) Readers are asked to consider what skills Caine learned and how they relate to 21st century skills, and to discuss external and internal factors that influenced Caine in an initial post and responses to classmates.