Instructions
Enter Toy Box Mode through the toy box. Toy Box Mode is activated after completing Story Mode.
Search for characters who have a "!" (exclamation point) hovering over their heads. Speak with these characters, and accept the missions they offer.
Search for characters with a "?" (question mark) over their heads. Speak with these characters. They may have important information that will help you complete your missions. Try pausing after accepting the mission to view mission-related tips.
Fulfill the requirements of each mission. Use your compass to find the targets involved with each mission. You may have to use the buildings you have constructed up to this point in the game in order to fulfill the mission requirements.
Speak with the character who gave you the mission after you have completed all of the mission requirements.