For the sake of not adding anymore fuel to the fire, I won't make any comments regarding the debate between Double and Kurai.

@Kurai: I do have one question, if only out of curiosity... Considering the Themes you mentioned you wanted them to be related to in some way, (Which I assume is the theme of education from Master to Apprentice) Why wasn't the Sword in the Stone selected? It seems like a perfect fit with the theme, and, well, As the Toychest is technically sub-world (A world within a World, *Will hang the first person who makes an inception joke*), I believe we can make due with one more.

@Spike: ...Not a bad idea at all actually. ...Kurai-Sensei, Wayward-Sensei. ...May I have permission to work with Mike on this idea?