The satisfaction of parents and children will be measured ; the mode of usage of the web-based game will be automatically recorded and the impact on the service ( for example , recovery time and throughput ) will be reported.The Phase III study primary outcome will measure : ( 1 ) patient experience : acceptance of anaesthetic induction , child cooperation and distress , reduction of peri - and postoperative morbidity , child and family satisfaction , and ( 2 ) service improvement : anaesthetic time and improvement in throughput .