Chubbyrain, you got mail.
First of all, which area you are staying? Siew Lip has a branch at Jurong Pt but they are selling Anchor Brand threads rather than DMC. YOu can buy the materials at any cross stitch shop. If you dunno, just pass the instruction to the shop owner and she will pack for you one lah.
Alternative, go to Spotlight at Plaza Singapura to buy your materials.