Project "Ha Ha" is a week-long (from July 5 to 12, 2011) multilateral exchange in Latvia. The theme of the project is healthy thinking and humour as awareness of cultural identity.The aims of the project are to promote other culture's better understanding and coorperation between them, by becoming acquainted with culture's jokes, sense of humor and laughter culture; to prove that positive atmosphere, good sense of humor and ability to laugh at yourself has great impact to a teambiulding and team's work; to find out if there is a difference in the sense of humor between rural and city population.There will be involved 4 countries - Latvia, Poland, Austria and Slovenia, seven participants and two leaders from each country, totally 36 participants. Duration of the project is 7 whole days.The main activities of the project are associated with humour like helium karaoke, funny sport games, research in differences of people living in countryside and city, masquerade and laughing contest.There will be used different non-formal education methods like ice breaking, teambuilding, group work, presentations, brainstorming, energizers and warm-ups.