Get to sit in the "Sweet Seat" for good behavior! I love this idea. Students will want to sit in the special seat. I would have it at their desk and the seat would move around during the week to students showing good behavior.
Love, Teach: Five Ways To Spice Up Your Teaching With Almost Zero Effort! Maybe a stretch on classroom management but I would so do these if I was still in the classroom. Playing goofy videos work, did that!