>>> am quite impressed by this, if the museum lives up to its description. The Christian evangelistic theme parks should do as well.
It will succeed because there is a lot of hands on, colorful stuff for kids to learn from. Judaism isn't an abstract religion - the main thing is the deed. There's a lot of study and philosophy, to be sure, but the focus has always been on fulfilling the mitzvot in concrete form. And of course kids are primarily concrete learners. That's why we've been so successful in transmitting our tradition from generation to generation. We focus on the young.
The kumbaya-ness of this "ethical principles shared by all religions" lends an unrealistic element. It's like putting Splenda in your milk and honey.