Many of hour health clubs offer in club child care. You can get a great workout without having to find a babysitter with our gym child care services. In addition Children as young as 13 can stop by with a workout. For those 13-15 years old, you'll need to work out with a parent or guardian present. Teens ages 16-17 can have their own membership and work out on their own, but a parent or guardian's signature is required to complete the membership sign up process.