Hi everyone..
Here is some information to give you inspiration for your short stories and to get audience participation.
There is a tradition in England of Pantomime, which happens at Christmas. It is for children but all the family can take part and it is designed to get a lot of participation with the public.

There are some typical, well known methods which are used in these theatre plays which can be used for your stories for the children and adults.

1) It´s behind you! this is where a character ´looks´ for somebody but cannot on purpose find them. So the character says to the audience
´if you see the evil queen, you tell me´. Then the evil queen stands behind the character and the audience shouts ít´s behind you.....as the character looks behind, the queen moves so that she can´t be seen.
Then the character says ....oh no she isn´t and the audience shout back : oh yes it is...!! and so on...

here is a video as an example: It´s behind you! https://www.youtube.com/watch?v=Tsg7GL1CJ3U

For Snow white, here is the Dwarfs´ song:

Hei ho Dwarfs´ song (watch from minute 1.30) https://www.youtube.com/watch?v=a30tg02JwDc

And for Jack and the Beanstalk, here is the song to give you some inspiration!

https://www.youtube.com/watch?v=kvpu6zbNZgg

Have fun!