Have a large supply of potato crisps and peanuts. For the sweet tooth, have a supply of energy bars and a bought or made carrot cake. Encourage the children to study the cards. Ask yourself if you have the space at home. If not, phone friends or the local school.
Some companies rent out fields and halls.
Shoot the hoop, sack races, rotten egg are all good examples of games to play. If they would like to play international sport one day. Hand each group a piece of paper and pen. Give the teams about 5 minutes to argue about who should do what. My son recently turned 9 years old and he celebrated it with an action filled sports day.