Seat Sacks to help clean off the table and keep all the kids stuff together... tutorial, and if you don't have time, the poster will be selling these too. I think I would use a stiffener for the top section of the 'sack' - boning, or stiff interfacing. And multiple pockets for easier sorting of the stuff would be helpful too.
Desk Organization: Receipts - Whenever I come home from shopping, all I have to do is stuff the receipts in the jar. This lady's got a system that would work for any home office without a business. Read it!