Parents may be free to work on other chores while grandparents and grandchildren play. Young and old may be less bored when they get together to play. Play activities help people to feel involved. Play is one way to learn new skills. People relax and have fun when they play.
Exercise is fun if it is also play.
It's important to find something both grandparents and children will enjoy. Children may become bored with adult activities. Grandparents may become bored with children's activities. I cannot play as long as you can. Researchers have found that many grandparents and grandchildren would like to share more time with each other.