Masks for Halloween

Imagine: It's Halloween time and we don't know what we are going to do with our children, because we don't plan the same class as other Hallowen lessons. Take this idea:

Warm up explaning what Halloween day is.
Print these monsters masks and give out them to your students.
Sing, learn and performance this funny song. Using the masks!!
Learn the lirycs.
Show the main vocabulary for Halloween: Trick or treat, witch, monster, spider, ghost, pumpkin, ... This wallchart is very useful.