This is a great reward/praise system for lower grades. Print this on any color paper, laminate (this is definitely a summer or pre-beginning of school project for you) a bunch of them, then hand them out when a student exhibits good habits.
I would even hand them out without explaining what they are at first to see how students react (mostly they will just want to get them, and they will observe how others are getting them).
You can have a dollar store bucket of fun things worth a certain amount of points. Or, maybe assign a number to use for a late assignment or a tardy, etc.
-Teacher in the Rye
p.s. my third grade teacher did this and I thought it was great, even then:)