SeriousShop.Net > powersystems Page 1 of 1. 1 REACTION PowerSystems REACTION BALL Quicken your response time, agility, and speed as you try to follow the Reaction Ball. Unique, patented six-sided design allows it to pop, bounce and leap unpredictably in different directions. $11.99 > Learn more @ Baseball Warehouse! RUNCHUTE PowerSystems RUNCHUTE SPEED TRAINER Increase your speed, explosiveness, acceleration and stamina while improving running technique. Used by world class sprinters. (Large 56" X 56"), (Medium 48" X 48"), (Small 40" X 40"). Includes complete instruction program. $59.99 > Learn more @ Baseball Warehouse! Page 1 of 1. 1 SeriousShop.Net > powersystems Note from SeriousShopping.net the owners seriousshop.net : Prices shown may not reflect the latest price available. The prices or items listed at the products web site will take precedence over any price or items listed on seriousshop.net Be sure to check the price and availability when completing your order. Thank you for shopping with a name you trust, SeriousShopping.net. For inquiries regarding any order placed please visit their customer service page.