At this age, a
littleLittle noses decongestant
Little tummys talk goes a long way. It's enough to say that taking things is not allowed. When the behavior occurs, have him return the item where it belongs, and place him in a time out chair for about ten minutes. Use a timer to track the time, and start the timer only when your son is seated and quiet. At the conclusion of the time out, ask him what happened that resulted in his being in time out. Reiterate that taking things is not allowed. Use the same approach when he says things that are not true. If you manage the behavior in a firm, but calm, consistent fashion, you will see the behaviors diminish.