Some new skin like, Panda Annie, Warring Kingdoms Xin Zhao, Dragon Wings Corki, Warring Kingdoms Jarvan IV, Jade Fang Cassiopiea and Steel Legion Garen will be release at the Lunar Revel Contest.

Some lunar skin already exist, like:
Dragon Fist Lee Sin
Masked Shaco
Guqin Sona
Panda Teemo
Templar Jax
Sakura Karma
Blood Moon Shen
Blood Moon Akali
Dynasty Ahri
Lion Dance Kog'Maw
Dragonblade Talon
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Here the Idea:
Panda Volibear
Shaolin Master Yi
Taiko Rumble
Chinease Dragon Shyvana
Shaolin Master Wukong
Jade Sword Riven
Shaolin Lee Sin
Sumo Gragas