Don't change the rules or let him have something you took away just to stop the tantrum. Remember that a tantrum is simply a child's way of trying to control a situation. Your job is to be consistent and show them that no matter how bad they act, and how ever much attention they draw out in public, the rules stay the same. A good way to avoid a temper tantrum before it starts is to give the child a choice. The child will gladly pick one and feel proud of his decision instead of throwing a fit over having to put on the red shirt that you are making him wear.
Sharing is a very difficult task for children to learn.
An advanced version of this game would be to trade dissimilar objects. This calendar is of 12 children with Down syndrome. One of the resources was for Earth's Best Baby Foods and they included recipes with their baby foods as part of the ingredients. I thought this would be interesting for some of you. Carrot Cake 1 cups whole wheat flour 1 cup packed brown sugar 1 tsp. baking soda 1 tsp.