Champions of the Treehouse
This is a large red plastic stop watch attached to thick loop of nylon rope. It is clunky and cheap looking, the kind of thing you would give to a child.
When in the dreaming the stopwatch still ticks of seconds as they flow in the autumn world. So if time is moving much faster in the dreaming, IE ten minutes of dream time is one second of mortal time, you can use to tell how long you will have been gone for. Like if you only had till the end of recess to get back. If you enter the dreaming and the numbers on the watch fly past in blur then watch out because you will have been missing for a long time when you get back.
This was given to the champions by Mayor Katz, and is currently held by Michiko