We went to the Science Museum's Star Wars exhibit in late June, and the kids were so excite to see how it all works. They liked the magnet displays and all the ships. They were excited to see the costumes and even make and program little R2 D2 like robots. I think their favorite part was the Robot Show where they learned about different kinds of robots and how they are useful in different situations in our world and the Star Wars world.
We had fun on the hover craft thing. We did it a few times since the museum wasn't very busy.