I found some amazing DIY websites, and so I decided to put the links in here.
Grid Notebooks So for this one, you could really just use any patterned paper!
Gold Foil Notebooks Here is more notebooks, I just love them. Instead of fancy foil letters, you could just buy cheap gold letter stickers and use those.
More notebooks! For these, instead of wallpaper you can just use those sticky book covers! ( They are so much cheaper and better)
Terrarium in a jar