Color while lying on your stomach on the floor, propped on your elbows to help with isolation of movement, as well as strengthening
Color with small, broken crayons to help facilitate a correct crayon grasp.
If your child is having difficulty tracing, take a highlighter and trace the shapes, letters, etc. that your child will be tracing. Then have your child trace on top of that.
When coloring, take a crayon and outline a shape within the picture with the color crayon your child will be using. This will help define the boundaries. Do this one at a time with the areas, shapes, and pictures on the page to help focus their attention on one area at a time.
When cutting, make sure both thumbs are "up" and not facing down or hidden under the paper (both the cutting hand and helping hand). Take a black marker and make the lines bolder if needed.