Watch your kids F-L-E-X their muscles while wiggling their way to total flexibility. Kids will enjoy making their muscles long and lean when they join John and the Jjumperoos for a healthy dose of flexibility and movement. From classics like “Head & Shoulders” to all new original songs, this fun-filled, thirty-minute tape will have your kids exercising their muscles, reaching for the sky and feeling great all day long! 30 minutes.