Hi Barbara,
Extra Magic Hours are a great way to extend your fun and enjoyment in the Walt Disney World theme parks! Using
Extra Magic Hours, Walt Disney World Resort guests enjoy an extra hour of park time before a theme park officially opens for the day or three hours of extra park time after the park officially closes for the day.
During Extra Magic Hours, select attractions are open. Not all of the attractions are open, but it does tend to be the more popular attractions which are open during Extra Magic Hours. Though these can change at any time, for an idea of what attractions are open during Extra Magic Hours, you can visit allears.net. From there, search "Extra Magic Hours" and click on the first link for "Extra Magic Hour." This gives information on Extra Magic Hours, including a sample of what attractions might be open at each park during Extra Magic Hours.
I hope that this helps with your planning, Barbara! Please do not hesitate to ask if you have any further questions.