Bolder Play Slackers 50' Slackline SetKids can elevate their play every time they go outdoors! This 50 foot slackline kit is perfect for improving balance and strengthening core muscles. Attach the slackline to two healthy trees, 40 feet or less apart. Use the teaching line included for support with beginners until they build the balance, strength and confidence to use the slackline independently. Within minutes, kids will feel like theyre walking on air even though theyre never far from