Childrens Carnival on Sunday the 22nd of May 2011 at 12.30pm-3pm in Kildeparken 

The ticket to the event in Kildeparken is sold for 30,- DDK at the entrance. 
However it is free of charge to see the parade, which goes through Aalborg at 12pm-12.30pm before the celebration in Kildeparken. 

The ticket cannot be bought in advance sale, but must be bought at the entrance. 

Read more about the Childrens Carnival here