I wish I could hang this on my office door!
Chalkboard pantry door? - Chalkboard paint a MIRROR and HANG on pantry door. :-)
How To Hang a Curtain Without A Rod - use this to hang the curtians on the playhouse door and window
Christmas door decoration | Perhaps create "ball ornaments" with books on the inside to hang from antlers.
Hang mixer attachments and measuring cups on inside of cabinet door. Will do!
Odds and Ends
Hang towels and things on the back of your door. | 23 Hacks For Your Tiny Bedroom