For the Bilbo model from the starter, I'd like to be able to switch out his arms, if possible. Trouble is, the model is so tiny! Has anyone else built him up, with both arms usable? If so, how did you go about it, and what advice, if any, do you have? Seems like getting magnets in there would be pretty tough, but preferable to pins, which don't hold as well.

Thanks!

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Well, that's my 2 cents.