How long does it take to go through the museum?

We spent 4 hours there with my 2 year old and 14 month old and we didn't hit it all. Definitely takes more than one visit but your kids will be begging to go back again for sure!

I went with my son and his family. It took use at least 2 visits. The place is awesome.

You can easily spend there a day. I spent 4.5 hours with our 7 y.o. until the closing and she said she could play more.

You can easily be there open to close! My 6.5 year old went open to close one Sunday (around 5 full hours) and still wasn't ready to leave at closing.

As an adult or a preschooler? With our 2 kids we've yet to see the whole museum in one trip. So definitely more than 3 hours.