Tupa Shop is inside Basement of Mabini Market, Upper Mabini. If you see PNB along Session Road, go up the road (not going to Sessio Rd). Around 50 meters from PNB, you will see Cospal Bldg which on your left. That is the Mabini Market. The Airsoft Shop is behind the Lotto outlet in the basement of the bldg.