What techniques are used to change the color of a particle board's veneer & edge banding?
The cheapest, easiest no tools (except scissors) method is to use contact paper. It is available at most hardware or decorating centers.  It is preglued vinyl sheet on a roll similar to wallpaper. Several wood grains are usually available. It used to be used commonly as cabinet shelf lining. With practice you can get decent results, it is water resistant and cleanable.