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Layton himself has a pretty limited palette of materials.
1. He does have the red material he's referring to.
2. The top hat could maybe be a different material, it's the same material as the red one.
3. The black-brownish cloths are probably one material, could be the number 2's material.
4. The skin is one for sure, since Smashified confirmed skin is material. (See further below)
5. The mouth maybe.
6. The top of the shoe yes.
7.The sole of the shoe, yeah.
8. His orange shirt, definitely.
9. His hair, yeah I guess.
Some other things he could refer to is his fencing sword too, which I think has two pieces of material. (The handle and the sword base itself.)
I think I'm straw grasping. :L