Minne-Mama: Color Sorting Toss Activity (with Video!) - Use ball pit balls or bean bags. (I would probably put something around each hole to keep the different colors separate).
How to Throw a Totally Dino-Mite Dinosaur Party Triceratoss game
Swipe art is good for older people with limited hand mobility. Put dots of paint on the paper or canvas then let the participant swipe with different tools: small heavy cardboard, sponge, flexible brush, the butt of a closed hand, etc.
DIY Handprint Keychain with Shrinky Dinks