Super Easy Sensory Play: Wet Cotton Balls (or sponges) (Also links to other plays in the Super Easy series - all contain 2 or fewer ingredients commonly found in a home and are appropriate for all ages!
Building fine motor skills with cotton ball painting
My year old loooves this! My 1 year old mainly just tried to eat them, but he also liked them. We used 4 noodles originally. We cut them all into similar sized pieces except for two pieces. We made two of the pieces long (maybe a foot or so each).