The Block Set Pro includes one each of the individual Massage Blocks®. 1 Small, 1 Medium and 1 Large Block are included. These tools are designed to relax muscles that are not in close proximity to the spine and can be used on nearly any part of the body. An improvement to Massage Balls for Trigger Point Therapy and Joint Mobilization. Massage Blocks® provide a stable platform and proprietary material that outperforms any massage ball on the market, your satisfaction is guaranteed. Included is our Product Guide and links to instructional videos. If you are into fitness and exercise regularly you are probably already familiar with Foam Rollers and Massage Balls. Massage Blocks® are an improvement on these basic products. Originally Sporting Balls and Rolling Pins where used by athletes, foam rollers and massage balls really offer very little beyond these common house hold items. Massage Blocks are not repurposed items with clever branding. Massage Blocks were designed from the beginning with Sports Massage and Joint Mobilization in mind. If you like Foam Rollers and Massage Balls you will love our tools.