My ex won't give me my stuff back, what should I do?

My ex boyfriend and I dated for 3 and a half years and broke up 2 months ago. Since then, I've casually and nicely asked him when I can get my stuff back, (I have a bunch of shirts and my pair of expensive ice skates at his house) but he's never given me a straight answer about it. Now, I'm getting really annoyed, because he's gone from giving me vague answers to just completely ignoring me every time I text him asking for it back.

What should I do? I don't want to be the creepy ex that shows up at his house but at the same time...I want my stuff back and this "ignoring" game is getting ridiculous. I don't even understand why he'd want to keep it. Advice/suggestions please?

(He broke up with me, I didn't break up with him. Which is why this whole "not giving my stuff back" bs makes no sense. I am dating someone new, so maybe he's mad about that for some reason? I don't know I'm just trying to think of possible reasons for this immaturity.)
My ex won't give me my stuff back, what should I do?
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