Begin to increase ability to follow early childhood environment rules and procedures (e.g., accept need to wait when interested in playing at the sand table when it is already “full”). Increase ability to control impulses and follow rules (e.g., wait for teacher approval before opening the early childhood environment door to the outdoor play area). State rules as reasons for own behavior and for what other children should do (e.g., “You shouldn’t run in the classroom. You can run outside.”).