In the last 10 years, slacklining has become a popular trend and a sport recognized by children aged 6 and over to adults; The kit contains: 15 meter slackline with durable metal ratchet, ratchet cover, 15 meter teaching line with ratchet and storage bag. Game tips: fairly simple installation with no tools needed, except for a ladder of about 180 cm.; Always test the strength of your resistance first to make sure it is safe to use; select the position and measure the length of the distance line needed; Disassemble the slackline in the off-season to protect it from the elements. Go to the Trelines You Tube channel for more tips.