~Free behavior rewards card!~ It's so easy to use! Just let the student use a bingo marker or any marker to color in a square each time you give the student praise for something he/she did that was positive working silently/cooperating well with others etc... You name the rewards for that week.
Play dough for plaque...YUCK! On a side note, if you keep the play dough in the blocks overnight, it will harden. This could also be a GREAT lesson to teach how food left in between your teeth will turn into plaque and harden over time...which is why we need to floss on a DAILY basis!