Rates of childhood obesity have increased globally over the last few decades. 1 In Australia, one in five children aged 2-3 years is above their healthy weight. 2 The World Health Organisation (WHO) Report of the Commission on Ending Childhood Obesity 3 identified a range of health promotion actions governments can take to prevent (and manage) childhood obesity across the spectrum of public health approaches to obesity. These approaches include socio-ecological (eg food and physical activity environments, behavioural (eg education for families and carers, and health care action areas. 4 The WHO report identified the early years, the first 5 years of life, as a key life stage for governments to act. Australia has federal, state/territory and local governments, and policies intended to achieve the same outcome can be