We LOVED the Family Magic Tour. It is a must do. Your 5 yr old will have a blast. It will be more geared towards her . It lasts about 2 hours. Lots of goofy fun stuff and a suprise at the end. If your DS loves Disney and is close to his lil sister, he will have fun too. He could actually help her during the process. When we did it my DD was 10. She had a great time. Kind of led the pack, but was slightly embarrassed. But was into it. I say go for it.