Many asked about the stickers that were being pasted on my bedroom. So here goes!
You're able to find it from the Ikea Singapore website as well!
Here's the link: http://www.ikea.com.sg/catalog/product_display.asp?art=00120007-280-11-26-762401066-10740297
1. Clean and dry the wall (ensure it's not a newly painted wall! or else it won't stick at all!)
2. Use bluetacks to layout the stickers on the wall before pasting. (that's what we did)
3. Paste paste PASTE.
4. Tadah! You're done!