Great use of 7 habits of Happy kids. Instead of working on multiple behaviors allat once which can be challenging with the younger ones, I like the idea of sticking with one specific behavior goal for the entire week until it's changed.
The Kindness Game. Use this bingo-style "Kindness Game" to encourage random acts of kindness in your classroom. This activity works with all ages, and can be a terrific complement to a unit for National Bullying Prevention Month (and beyond!