Love this. I bought a 3" mostly-tungsten cube a few months ago. Almost without fail, every time I walk by it I pick it up. And without fail, every time is sat

Love this. I bought a 3" mostly-tungsten cube a few months ago. Almost without fail, every time I walk by it I pick it up. And without fail, every time is satisfying. (The 3" cube weighs ~18 pounds.)