Depends really. If he just does it for a laugh with his mates then, probably not.
But if he suddenly feels really bad and gives them back and apologises, then he might like you. Even if he doesn't realise it.
If you like him, ask him.
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Taking someone's belongings without permission is disrespectful and considered stealing. It is important to communicate with the boy and set boundaries to ensure it does not happen again. If the behavior continues, seek help from a trusted adult or authority figure.
it means he likes you, if somebody takes your stuff its like they have a part of you in them. good luck :D