Fill a glove with beans, pearled barley, rice, etc. Give a few pats and slip quietly away. This was a LIFESAVER when my daughter was an infant. I would nuke mine in the microwave to make it warm and helped soothe her too.
I was walking past a huge variety of bandannas at the craft store last week and had this idea to make some circle skirts for my girls. Because we are planning to attend a few of July celebrations(How To Make Dress Circle Skirts)
This website has book selections which are categorized by historical time period/topic. This site is a great resources to quickly find read aloud books for your class to connect social studies and language arts.