Use plastic bottle caps to make a snake. Will have to pre-drill holes.
Foam stickers + bottle caps = stamps!!!
Maybe attach them to magnets or popsicle sticks?
Make felt animal puppets. Story time? Create-a-story??
DIY maracas. Could even papiér-mache over it to make them look better.
Love these! Sadly they're about $15 each, so my butt is going to have to get crafty.
How to Make a Hat Out of Paper Mache