See the Germs! Glitter mixed with hand sanitizer. Teacher uses it, pretends to cough, and then shakes hands with 1 student. The students then shake each others hands and see how the glitter "germs" spread. Discuss proper hand washing after.
Use like "Caught Being Good" tickets. Maybe write "Habit: so I can circle which habit. Or just keep it general! Or, -- circle the number and the kids could have a 7 habits "BINGO" board and get a reward when all are filled.