Simple no sew sock monsters - great for the classroom and to assist story telling! Kinderknutsel, Kids Ideas, Kids Activities, Kids Crafts, Sock Monster, Kids Art, Sewing Socks, Socks Monsters, Kiddl Fun
I remember having rock pets as a child - you can be so creative with them and the kids will love it.
Liquid starch, clear glue, and food coloring - Monster Slime! This would be fun for a Halloween party.