The children's museum is a fun place for the kids to play on a rainy day, and since there are a lot of rainy days in Portland it's good to have a place like this to go to. There are several different rooms with different themes such as a dentist office, a kitchen, and grocery store and a tree house room. There is so much to do there that a kid could spend all day playing there and not have had a chance to try everything out. The draw backs are that it can get very crowded and children of all ages are allowed to if you have a little one they could get trampled. The cost to get into the museum is $6 apiece. You can also buy a year pass, 2 people for $35. So, if you think you are going to go more than one time it is worth it to invest in a yearly pass.