Here is yet another thing that I've made recently for my new class! From my experience, children love stickers. Children don't, however, like it when stickers fall off of their jumper. My remedy? A sticker chart. You can find the PDF here.
I'm running with the nature theme from my 'get to know you' bags which I think works well. When children get a sticker they can put it on their chart. If that isn't good enough, when the chart is full the children get a special little prize!