How to come up with a game or a challenge. - Think of a core skill. - Put a roadblock into teaching that skill or performing it well ○ Examples - Evaluate whether it is fun ○ Achievable ○ Simple ○ Too difficulty ○ Teaching the wrong skill ○ Relevant enough to the original skill Games: - Think of a core skill, but in more broad terms like: ○ Streamlines ○ Gliding ○ Movement ○ Buoyancy ○ Pushing on water - Create rules and goals - Goals are objectives: what the people do, ideally doing the skill you want them to work on, or a target by which the swimmers must do the skill you want to work on to succeed. - Rules are the roadblocks, or the conditions that lead to struggle and learning - Evaluate whether or not they're fun.