HAPPY PIE PLAY&ADVENTURE HappyPie Four Knotted Climbing Rope -Tree Rope Swing for Kids Size: Diameter: 0.98'' Rope length: 78.7'' Weight: 2.82pound Molded rubber neck helps protect child's leg from chafing. No matter use the climbing rope as a lift to the tree house or hung up in the child's room, it is a perfect toy to train the balance, skill and power! Knots are a practical climbing helper. It is suitable for children weighing up to 150 pounds and they ought to be at least 3 years to venture on this climbing rope. Adult supervision is recommended, especially with younger children.