What are fun things for kids to do near Seattle?

I'm going on vacation to Seattle next week and I'm looking for something to do with my family, preferably something outdoors.What are fun things for kids to do near Seattle?
-island hopping

-zoo

-snoqualmie falls

-intertubing

-parks: carkeek, gasworks, colman, japanese garden

-scuplture park and piers

-greenlake is fun to walk around and there are cool shops and things around it

-tillicum village



don't expect the weather to be great though. last week was gorgeous and sunny everyday, i hope you are lucky enough to see that while you're hereWhat are fun things for kids to do near Seattle?
Theres lots to do. My favorite was taking the water taxi across the Elliot Bay then renting bikes. There is a really nice path to ride along, and you get a great view of the city.

d3100

flyff