Reverence
Primary 2 Manual lesson 21

There is a lesson on reverence that has a grab bag idea with cutouts of arms, eyes, etc. that you have the children pick out of a bag and you say the following:

"What should you do with your (item shown in cutout) to show reverence in Heavenly Father's house?"
Here is a link for that (and the cutouts ARE online): primary reverent (look at the bottom)