Train like a Ninja with B4 Adventure's patented 36 foot by 2 inch Slackers NinjaLine Intro Kit with 7 Hanging Obstacles. The 36 foot Ninjaline includes 14 double-sewn durable pockets to customize the arrangement of obstacles as well as add-on additional ones like a Ninja Net or Climbing Rope. The kit is portable and inludes a sturdy carrying bag for easy transport and storage. The professional slackline webbing is rated at 6000 lbs and is good to go for up to 250 lbs. At least ages 6+, probably 8 required for most kids for dexterity and strength.