Four Square
| Min number of participants | 2 |
| Age | 5+ yrs. |
| Safety support by adult | Not required |
| Min duration | 20 min. |
| Cost | None (Free) |
| Environment | Outdoor |
Draw four squares in chalk on pavement, assign a rank to each, and bounce a ball between players — the player in square one sets crazy rules each round. A timeless schoolyard game requiring only chalk and a rubber ball.