Many Bloggers love to dispaly their Labels in drop-down style, the Blogger labels gadget is actually at the sidebar by default which display either a list format or cloud format, it depends on the style you choose when you are editing your blog. It does not include an option for configuring the display of Labels in a drop-down format. How to Make A Drop-down Menu for Labels in Blogger
Do u need it? the code?
No - in the link already