Now, thanks to a speedy, awesome transport upgrade, it’s even easier to get to Solna where you can find Sweden’s largest shopping mall, Hagaparken and Butterfly house, Mulle Mecks lekpark and a whole host of other stuff. Solna is also known as the “Silicone valley” of Stockholm because of the number of tech firms investing in the area. But, as far as we’re concerned, it’s another great place to take the kids.