Is to fight the devil, a hair band with two little red ears and a big red scarf as a cloak.
Draw a monster mask with bleeding horns on paper.
Halloween is about dressing up strangely. In fact, just prepare more solid paper for them to draw and wear.
Ketchup for blood.
Activities, telling ghost stories, asking each other for candy in English, games or traditions. I guess the topic just now has something to do with Halloween.