DIY Marbled Glassware - Drip various colors of nail polish into a disposable container of water, layering the colors. Use toothpick to pull the polish and create a swirly pattern. Submerge the bottom of the glass into the polish. Cover with clear polish.
Fabric-Covered Books: Dress up an old notebook or even a regular book with fancy fabric. Perhaps it's a good idea to do them for books people want to read in secret, such as the Fifty Shades of Grey trilogy. Source: Two Twenty One