Activities that can strengthen your child's fine motor skills include peeling stickers and placing them on paper doing any drawing, coloring, using paintbrushes or their fingers to do finger painting, using clothespins on cardboard. You can pinch and place on cardboard to strengthen their fine motor skills.
You can use Play Doh, putty, puzzles, piggy bank, nuts and bolts beading. There's so many things that you can do to strengthen your child's fine motor skills.