Sarah Aiono is a teacher and in-school consultant on a mission to bringing more play into the primary school classroom. She's founded Longworth Education, a company which supports teachers to incorporate more play into the school day. She says the value of play as a learning tool can be misunderstood but it's vital for children to develop their critical, creative, innovative and problem-solving skills. Kathryn speaks with Longworth Education's chief executive and co-director Sarah Aiono.