This is a heavy-duty metal 3-D puzzle. Very neat, and my son loves it now that we've put it together. Note, however, that it comes on a metal sheet, and a punch tool; you need to punch out all the pieces. My fingers are a little bruised and sore from taking out all the pieces with the tool (reason for the one-star deduction), and it took me about an hour. There are no instructions whatsoever (it is a puzzle, after all), we put it together by looking at the image of the item from Overstock. Looks great, and my 7 yo declared it the "best thing ever."
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