A large magnet. A magnet, regardless of type, is quite heavy. Especially if it's a rather dense one because it'll weight more because of more mass occupying a small space. It's a magnet because of the box's attraction to the steel table rather than concrete. Magnets attract metals instead of concrete.
Answer:
da person who tells da story & da naraators feelins
Explanation:
Who is crash? This is for school only
True, the supporting details should some in the following paragraphs (that's what I learned anyway - it may be wrong)