For Cardiff Castles full FAQs Children aged 18 and under must be accompanied by an adult aged 18 and over who has their own ticket. Children aged 2 and under can attend for free and don't require a ticket. All other children must have a full price ticket to enter the festival. Please be aware no prams are permitted at TK Maxx presents Depot Live A max of 6 tickets per person and per household applies. Tickets in excess of 6 will be cancelled.