The things that can be shared in the in-class sharing class can be toys, delicious food or some important things for yourself, because the main objects in the sharing class are children, and the children's favorite things are delicious food, toys or things that they think are more important.
If you are sharing toys, you can inform the children in advance to bring the toys first, and then let them get ready to introduce their toys in front of classmates, or share their toys with friends.
Then, if it's delicious food, it's the same. The most important thing is to share, share with classmates, share your toys or delicious food with your good friends, and some important things, so these are some things that can be shared in the in-class sharing class.