response to an advertisement for the study;

has only one child aged 4-5 years old in the family;

speaks English;

family with income within 185% of the Federal Poverty Guideline Levels determined by parents' self-report;

has a TV with HDMI port or VGA port or video port at home

the child has no medical conditions or physical disabilities that prohibit engagement in PA;

physically inactive child who does not meet 120 min. PA per day;

parental agreement to participating in the home visits and evaluations;

lives within 20 miles of the UMN;

family willingness to commit to 6 months of intervention and 6 months of follow-up;

not moving out of area for the next 12 months.

Home-Based Exergaming Intervention