The Sky Masters Hanging Groove is the ultimate surfing experience where both kids and adults can hang in mid-air on a fixed and stable surfboard strung up with comfortable rope. Kids can learn the balance and conditioning needed for surfing, skateboarding, paragliding and other board-based sports. The Hanging Groove can easily be installed in your garden, just follow the detailed instructions. Kids will build their core strength while having the time of their lives. Time to ditch the video games!