[liquidben]

I personally think that a perfectly normal Hobbes stuffed doll would be an incredible incitement to a child's imagination. Instead of a talking Dora the Explorer doll that can replay the voice of the actress from the cartoon, the child (or child at heart) would be compelled to imitate Calvin and use their imagination.

And as to killing the magic, I'd think it's safe to presume that anyone with the agency and means to obtain a Hobbes doll could also can handle the fact that Calvin lives inside a comic strip with his Hobbes, but the one you've got is different