Check out these fabulous visual schedule bracelets: http://www.qcharm.com/index.html
You really have to see them to realize what a great idea they are and how beautifully realized. Kudos to the inventors!
A great source of visual schedule boards is: http://activityclock.com/default.aspx.
The site sells18"x18" boards that are completely magnetic, less than 3 lbs, can be hung on the wall, and come with activity magnets that the customer can pick and choose from the "magnet gallery" on the website. All the pictures are original artist drawings.