"When I'm wearing my princess crown no one can come up and ask me questions. It works wonders and my small group time is uninterrupted. and other ideas. love the princess crown idea! or the Lei idea from the comments.
Closet studio storage-- this is similar to what I want to do with my office/craft room. Remove the closet doors that slide and put all the supplies and things in there with some nice storage/organization setup.
Family Command Center Ideas that will Help You Organize Your Life
The bucket filler board is a must! The kids can fill a bucket ANY time they want to! Every Friday, they check their buckets to find the kind words others have left for them to read. Also goes along with the book, 'Have You Filled a Bucket Today?