Mindware: I love their games and activities. They really make you think.
Discount School Supply: Lots of supplies available here. They even have a whole section for special needs supplies.
DLTK’s Printable Crafts for Kids: printable crafts for different holidays. The have a huge selection of printables.
do 2 learn: writing paper printables
Hand Writing Worksheets; Make your own handwriting worksheets.
The Toymaker: A site to download free, beautiful, full color paper toys to cut and fold.