Abstract: The present embodiments provide a system for improving ability level in an activity. The system comprises a first target comprising a first dimension and a first color, and a second target comprising a second dimension and a second color. The second dimension is greater than the first dimension, and the second color is different than the first color. In one embodiment, the first target is a first home plate, and the second target is a second home plate. The first home plate may comprise a first width and the second home plate may comprise a second width, wherein the second width is greater than the first width. Additionally, user instructions are provided that specify a sequence of distances for positions of the first and second targets over activity intervals. The user instructions may be selected based on various user characteristics.