When you have a child with special needs, sometimes you need special toys, equipments, and supplies. Where to get them? Where does one get weighted vests, assistive communication devices, or PECS cards? These catalogues have great stuff, and great ideas. Do include your own favorite sources in our comments!
tfh (Special needs toys)
Different Roads to Learning
Kaplan Early Learning
Edit: One Step Ahead has an "able-rated" section!