*INTERESTING GAME* 1 kit removable exercise hoop toys, include 8 detachable parts in 4 bright colors; kiddos fitness hoop w/ lightweight and fun colourful design, Exercise Slender and Laugh Non-Stop *VERSATILE* Exercise rings not only as a kid toys for developing kids' gross motor skills, physical coordination, hand-eye coordination and balance; or an dog agility-equipment for pet training, our children and pets will love to play with this hoola ring; but also as a professional birthday gift *PORTABLE AND CONVENIENT* Fitness circle knot are easily snap-together and unsnaps(need a strong grip); Can-be adjusted to 6 sections(21"), 7 sections (24") and 8 sections(28") according to your child's size; Bonus-backpack, easy to carry to playground, garden, lawn, beach, gym, travel or others *ADJUSTABLE WEIGHTS* The plastic pipe of the workout hoop (about 1.0" D/7 Oz ) is hollow, so you can add-sand or padding to set the weights of the child workout ring bulk ( Helpful Tips: Can't add much weight to exceed the load of the training hooping, otherwise easy to fall apart) *ENDLESS FUN*The weighted workout circle can bring a lot of joy to you and your friends in various parties or events, creates hours of fun and activity for kids of all ages. Adults can hardly resist giving a twirl games with their kids