Kids & Restricted People
Children and juveniles (up to 16) without legal guardian are not admitted to concert or dance events by german law (JuSchG. §9).
Juveniles (16 and older) without legal guardian have access to events mentioned above until midnight. If you got an accompanying person with you, than you are allowed to stay at the festival area as long as follows: up to 16 until midnight / 16 and older until your legal guardian vetoes.
Service of alcohol to children and juveniles is subject to german law (JuSchG. § 9). Children and juveniles under 14 accompanied by a legal guardian are admitted free of charge. I.e. you have to pay if you are 14 and older.
Disabled People who need an accompanying person just need to buy one ticket. The accompanying person is free of charge.