In this article, we describe the development and feasibility evaluation of Parents and Tots Together (PTT), a family-based obesity prevention intervention that embeds weight-related messages within a general parenting programme. To inform the development of PTT, we conducted 5 focus groups with 19 racially/ethnically diverse parents to examine parents' key concerns and usual practices related to child-rearing and children's weight-related behaviours. Results from the focus groups showed that issues related to general parenting (e.g. discipline) were of primary concern to parents, suggesting that combining weight-related messages with general parenting support may be an effective strategy to engage parents of preschool-aged children. To determine the feasibility of PTT, we conducted a pilot study with 16 racially/ethnically diverse parents. The programme was well received by parents; 69% of the parents attended six or more of the nine sessions and 80% reported that they were "very satisfied" with the programme. (Contains 3 tables and 1 figure.)