Every item in your ModKit must work with the same version of Minecraft.
Your ModKit contains items and you selected a Texture Pack.
Resource Pack Based on the Movie Nightmare Before Christmas! Come check it out!
Mine Wars is a Star Wars themed texture pack with spaceship style blocks, lightsabers and an awesome Star Wars helmet (when wearing a jack-o-lantern).
Enhance your Harry Potter Experience with this Awesome Texturepack!
If you Loved Despicable Me, you will love this texture pack! It adds an item that lets you spawn minions.