Roller-skating, inline skating, swimming, or any type of spontaneous exercise works just fine. So check with your child's doctor. Swimming is a wonderful exercise. A fun exercise for families is touching your toes, bending, moving your arms, stretching. They are all good exercises.
Many parents ask what they can do on rainy days.
Nerf balls are great toys for indoor play. There are tapes available for children now as well as health clubs that are developing activity classes for young children. The goal is simply to get them moving and having fun. Parents also need to be role models. This is a wonderful way for families to play together.