Rainbows are for 4 to 6 year olds girls. At this age the emphasis is purely on fun. Weekly meetings consist mainly of games and activities.
You do not have to have been a Rainbow in order to join the Brownies. Brownies is for 7-10 year olds girls.
Although the emphasis is still on having fun Brownies also learn new skills through the weekly meetings. As well as the regular activities and games Brownies also work towards collecting badges. These are awarded for a variety of different achievements. This could be for sporting activities such as swimming, craft skills or writing. The list of badges that can be worked towards is long and diverse, so there are badges to cover a wide range of interests and skills to suit all girls.