Seiko clip-on metronome. Great for increasing your cadence. My chirunning teacher explained how to find my current cadence and then set the metronome for one beat faster every week until I was running at a 60 (every other footfall) cadence.
Do your kids do chores? This site has tons of tips and ideas about chores for kids by age including suggestions for age appropriate chores, chore chart printables and thoughts on why this is so important for kids.