This activity allows students to create ideas for their own constitution. Allow students to be creative with each different area of their lives (ie - only macaroni and cheese served for lunch) and make sure that students add a reason for each new rule.
Once all of the students are complete, have them switch with another student and allow them to make "amendments" to the original student's rules. Make sure that students give reasons for writing an amendment.
This is a multiple day activity that is super fun and very engaging.