The purpose of creating a Pastel Colorful Classroom Rules Poster is to visually display the expectations and guidelines for behavior in the classroom, in a fun and engaging manner. The poster serves as a daily reminder for students to follow the rules and allows the teacher to easily reference and reinforce them. The use of pastel colors creates a welcoming and calming atmosphere, promoting a positive classroom environment. Ultimately, the poster aids in establishing structure and promoting a productive learning experience for students.