
A Zipper Ball toy, which helps kids with motor coordination. You hold one end, your kid grabs the other and you slide the balls back and forth.

Easy-grip paintbrushes.

Finger crayons: The bulbs are much simpler to grasp than regular crayons.
Totlol: a YouTube-like site for kids.
DLTK's Crafts for Kids: has free printable pages for coloring and crafts.
If you've found any great stuff your kids have been loving, share!
Related past posts:
Genius inventions for kids with special needs
Really helpful stuff for kids with special needs
Smart toys for kids (and the parents who can't stop buying them)