Token Towers: Help students meet behavioral or academic goals with the interactive Token Towers, complete with non-slip felt bottom. Students set their goal using the colored ring and insert tokens as reinforcement for appropriate behaviors or correct responses. Four towers (6½" tall), Four colors (red, yellow, green, and blue), 140 tokens (1½" diameter), Adjustable goal levels (5, 10, 15, 20, 25, 30 and can hold a maximum of 35 tokens), Helpful tips.