Whether you will try keep warm as you watch the ball drop on Times Square or prefer to be among the first to welcome the New Year in tropical Kiribati, the clock is ticking down to 2015. While holiday decorations may change according to where you are Dec. 31, one thing that will likely accompany you both during the party and in the New Year is your favorite smartphone.

Proud iPhone 6 and iPhone 6 Plus owners, meanwhile, can actually turn their devices into decoration -- or something more useful -- thanks to a large variety of cases offered on Zazzle. The creative minds there have been busy readying all kinds of New Year-themed designs, and we have compiled some of the most entertaining options:

  • If you simply want to spread cheer on New Year's Eve, the Happy 2015 Barely There iPhone 6 Case may be the one for you. The colorful, fireworks-inspired design lends itself to ecstatic waving as you sing Auld Lang Syne (which, of course, you will probably play on your device). All the fun will set you back $42.95, or $5 more if you have an iPhone 6 Plus.

  • But maybe you are looking for something that will not be outdated in Jan. 2. In that case, consider this 2015 Calendar Case, the usefulness of which is hard to overstate. Sure, you might argue that you already have an important number of calendar apps that you can pull up any time you need. But for your $39.95 investment ($44.95 for the iPhone 6 Plus), you will know which day your birthday falls on, even if your battery has given up on you.

  • If you would like to summon your lucky stars for 2015, take a peek at the Year of the Goat Case. According to Chinese zodiac theory, the new year will be especially important to you if you were born in 1919, 1931, 1943, 1955, 1967, 1979, 1991 or 2003. In that case, the cute little animal will cost you $42.95, and $5 more if you have an iPhone 6 Plus.

  • This time, you will keep most certainly keep all your New Year's Resolutions. If you need a little reminder, get theBrand New Year, Brand New Me Case. The name says it all, and this accessory equally sells for $42.95, or $47.95 for the iPhone 6 Plus.