This informational video was filmed in paediatric, surgery, cardiology, onco-hematology, and radiology departments in order to present a variety of situations in which children can receive information by means of interactive play. A number of support materials are shown, including Playmobil characters, dolls, puppets, a CD-rom... Specific information is provided on the neccessary stages for developping a long-lasting project : planning, training, and organisation. Children, parents, and health professionals speak about the effectiveness of this approach.