One ball is easy to digest, helping avoid cramps if you do physical exercise right after eating.
All ingredients can be varied according to preference and availability: simply try to maintain the ratio of wet to dry ingredients.
Substitute 1/4 cup soaked green raisins for the dates, if desired. Pumpkin seeds can replace sunflower seeds. If pumpkin seeds are used, pulse in the food processor. Peanut butter can replace the almond butter.