She was encouraged to mediate the visitor
experience by stimulating and even modeling role-play and
creative, educational interaction, functioning in a manner
similar to the role of ‘orchestrator’ described by Benford
and Giannachi [2]. Joining alongside visitors to take part in
creative play (see Fig. 1) allowed Helen to function as what
Heath et al. term a co-participant [14], able to influence
visitors’ experience simply by visibly engaging with the
exhibition herself.