At Artnis' you can find a large choice of home textils. It is quite a large shop.
What to buy: Here you can buy table cloths, napkins, dish cloths, bath towels. At Arnis' they also sell clothes and accessories for small children; soaps, candles and other items.
In Lisbon, I enjoyed visiting the Ginjinha bars around Rossio Square to partake in a shot of the famous cherry flavoured liqueur with the locals.
In Sintra, the consumption of Ginjinha is much more of a touristy thing. You will find several shops in the centre of Sintra that sell shots of Ginjinha in a chocolate cup for 1 Euro.
You can either drink the Ginjinha before eating the small chocolate cup (little more than thimble sized) or eat it as a liqueur filled chocolate.
Some places offer alternatives to Ginjinha as well. We sampled several liqueurs, including Licor Beirao, chestnut flavoured liqueur and port, at "Cantinho Gourmet" (17 Rua das Padarias / Website) before purchasing a couple of bottles to bring home with us.
This is a typical tourist shop in Sintra and it has everything you want to have. This shop has everything as the other shops and here they speak good English. You will not have any problem with language problems here.
What to buy: Portuguese handicraft of all kind of things.
What to pay: The same as in the other shops.