Why introduce genetics at primary level? Children are fascinated by themselves and where they come from. Many have heard of genes, mostly through the media coverage of genetics, and want to know more. Children should be engaged in science at an early age to foster an interest and encourage an appreciation of its relevance to life. Genetics sits very well within sex education; the discussion of inheritance and families is one way of putting it into everyday context. It is also important that children are able to explore moral and ethical issues, such as how we treat people who are different, in order to develop into well-balanced caring individuals who are respectful of others. The author of this article states that her experience to date has been that pupils have engaged fully in this science, though she confesses that her classes have been playing a lot of games and reading stories. Where to start? She usually tackles families and inheritance, getting the children to discuss similarities and differences between their families and classmates. Then she moves on to the games, such as the Geneticons, which is an alien population game and is a fun way of introducing some basic genetics of inheritance. These vary according to age/ability and the time available.