What’s kid-friendly, free and fun in Portland, Oregon? Here’s a list to get you started. What would you add? Outdoor Portland with Kids (Free & Cheap) These are activities that are mostly outside (you have to put on a coat or sunscreen, and plan to be outside for a while) Play in Salmon Springs Fountain’s 137 jets at Tom McCall Waterfront Park. Try on glasses made from forks or buy a spoon-fork (spork!) with melded-together handles in Spoonman’s booth at Portland Saturday Market. Or listen to live music, pick up a treat from a food vendor, or buy a new hat. Go for a bird-watching hike on Sauvie Island. Look for…