Well, first the title of the thread intrigued me, then the subject did!
Check etsy or pinterest for ideas, there are scads! Great idea. They would also be useful in OT classrooms. Here is a link for an idea on how to make them.
http://www.suggys.co.uk/Leanne/alzhe...t-lap-blanket/ If you look at pinterest or etsy, you'll see all kinds of things that have been included; just enter fidget or sensory. Also aprons:
http://www.pinterest.com/search/pins...on&rs=ac&len=6 DD is just finishing her Masters in OT, I think one of these would be great for her to have!