Here are some suggestions for developing closer relationships with your grandchildren on the road. Grade-schoolers can handle up to a week. High-schoolers and older can go for two weeks, if you plan plenty of activities they enjoy.
Children are more interested in activity than information.
They learn through active involvement. Take them places that will make an impression, either because of what they actively do there, or because of something unique about the setting. Look for opportunities that will actively involve the children Try a volunteer vacation where you and your grandchildren can share a learning experience while providing volunteer service. Volunteer vacations may be strenuous, and are generally more suited to older grandchildren, so be sure to thoroughly research the trip. Consider a trip that is planned specifically for grandparents and grandchildren.