In Seattle, take your little space alien to Greenwood Space Travel Supply Company. Because there isn’t anywhere else to find a portable oxygen pocket or a black hole starter kit. And where else can you hop into an atomic transporter? (And hopefully, you’ll hop back out again, bwa ha ha) Located in Seattle’s bustling Greenwood neighborhood, this spaceship-sized store provides fun toys, gag gifts and t-shirts, including near-death ray guns, dried space foods and other quirky items. The store’s a non-profit, so all profits fund on-site school programs, after-school tutoring and weekend workshops. You’ll also see cool, workshop-produced books penned by Seattle-area students on the shelves, alongside works by local…