Pepup Plastic Speed Ring Ladder Set for Agility Training and Improved Footwork (12 Rings), 18", Multicolor GREAT ENDURANCE AND MUSCLE-TONING WORKOUT INSTRUMENT: Improve your footwork and develop toned leg muscles by setting up training courses that can reinvigorate your exercise routine. BETTER ATHLETIC PERFORMANCE: They provide excellent multi-planar dynamic warm-up for various sports training such as Football, Soccer, Basket Ball etc. to increase speed and agility. MORE THAN JUST A FITNESS EQUIPMENT: The Speed Ring Set is also a great tool for setting up recreational obstacle courses and playing outdoor fitness games daily. FUN FOR ALL AGES: They develop brain-to-muscle connection and are excellent for eccentric strength and stability. Some Speed Ring Ladder Drills for practice: a. Hopscotch Exercise - Arrange rings in 2-1-2 hopscotch formation and jump 2 feet then 1 foot then 2 feet