Ключевые слова: activity, american, american football, athlete, ball, basic, championship, childish, collage, color, competition, composite, contemporary, design, doodle, effect, enjoyment, equipment, football, fun, geometric, geometry, half tone, high school, hobby, league, leather, leisure, level, match, montage, multilayered, paper, playing, print, printmaking technique, random, riso, risograph, scoring, shape, simple, sport, sports, symbol, team, texture, trendy, university, usa,