[Waltham YMCA]—On Saturday, April 30, the Waltham YMCA is holding a free community event to inspire more kids to keep their minds and bodies active. This year marks the 25th annual YMCA’s Healthy Kids Day®, the Y’s national initiative to improve health and well-being for kids and families. The day-long event features activities and vendors such as children’s yoga demos, inflatable obstacle course, Waltham fire department truck, Doctors Express, Chestnut Dental and 98.5 Sports hub radio to motivate and teach families how to develop healthy routines at home.