Here is an activity designed to develop motor planning skills since the person needs to move the shapes first horizontally and then vertically to make them go down. Some of my clients were able to color match.
One young lady named this activity the "Like box" because she liked it. She has cerebral palsy and uses her left hand to stabilize materials. This activity also benefited another client who avoids using his hands together- he did this well to stabilize the plastic strip while inserting the shape. I think that some of my blind clients will like this, too. Some will add the shapes-other will remove them to insert into a container.
I cut the strips from large bottles so that there is an L shape on one end and a flat base on the other. After I cut a notch into the top of the box, I inserted the tip of the L shapes and the larger base of the strip presses against the bottom of the box. I taped the bottoms in place from inside the box. After all the color strips are attached I crammed pieces of cardboard so that all is snug inside and also this added weight to the box to prevent sliding on the table. Then I covered all sides with the black contact paper.