LEGO® Minifigures™ Series 12 were introduced in September 2014. Collection includes: Space Miner, Battle Goddess, Wizard, Dino Tracker, Swashbuckler, Jester, Piggy Guy, Hun Warrior, Fairytale Princess, Pizza Delivery Man, Video Game Guy, Spooky Girl, Prospector, Genie Girl, Rock Star and a Lifeguard.
The idea behind collectable Minifigures™ was that each minifigure come in a sealed bag, so you never knew which minifigure you might get. You can reed more details on Series 1, Series 2, Series 3, Series 4, Series 5, Series 6, Series 7, Series 8, Series 9, Series 10 and Series 11.
Detailed information can be found on LEGO® website here.
Although released in 2014, not available any more You can still try to find them on eBay.
Some more information on this series can be found on Brickipedia.
Below you can find photos of all Minifigures in this collection:
