more visitors so you may want to offer a combination. Staffing When thinking about how to staff your project, one of the main questions will be whether to have permanent staff or volunteers. The advantage of the former is that you have someone reliable and professional who is always there, but permanent staff cost money. Volunteers attract little or no cost, but there are often issues with reliability. In addition, if your project is based in rural areas, there may not be enough suitable volunteers. One answer is to have a mix of volunteers and permanent staff, however, the roles need to be clearly defined so that volunteers do not feel they're being taken advantage of. Staff training is essential for a successful mobile science project. Permanent staff should be confident in their role and it is good practice to encourage staff to think about their own development needs. Staff and volunteers alike may need training in first aid, driving skills, working with children, the project's activities and working with the media. Marketing All new projects need time to gain momentum, but if a project is free then it can be surprising how rapidly demand can grow once word is out. Most projects have some kind of online presence which, although important, shouldn't be relied upon to advertise your project. Newspapers, radio and television can generate huge interest in a project so it is worth investing time and effort in trying to generate media attention but don't neglect word of