May 1-2 is a social practice art instance. For free you can make something yourself. Build Something Together ranges sandwich making to Zoobombing. It's at Sea Change Gallery, an Everett Lofts standout. On Everett between Broadway and 6th.
Ditto both days is Crafty Wonderland, a DIY business venue for craft creatives. They have moved bigtime to take over the Portland Convention Center Saturday and Sunday.