Help me

On Friday I want to explain a story in kg2 class for teacher exam and I will tell yoy a story so help me please :

Nada and jad's mother was making for them lion masks for Halloween.

Nada and Jad put on their masks and wait for their friends .

They have lots of fun.They go from house to house singing and dancing .

When they get home they show their mother the delicious sweets they have been given .yum!yum!

Please help me how can i explain this sory for kg2 and especially a word Halloween please

Thanks in advance.