After the birthday cake is lit, the happy birthday song is sung loudly and often out of tune and then the person birthday person receives a clap for each year they have been alive and then one for good luck.
Being given the key to the house is still considered an important sign of coming of age in New Zealand. This takes place when someone turns the age of twenty-one. The young man who was given the key to the house is said to be given permission to come and go as he pleases and to stay out as late he liked.