I bought this new from ebay in the middle of 2020 and only now had time to put it together. In general, the review of other customers are accurate in that pieces are pretty much interchangeable and fit easily into the wrong place, making the edge especially very difficult to near impossible. The build quality is poor and many of the pieces were already bent up and damaged when I received the puzzle. To top things off, the actual puzzle that I received was of a different picture than I ordered, and was different from the box and the inside poster, and when finished, one puzzle piece was missing. After finishing, I examined the plastic bag again, that albeit sealed when I received it, one side looked like it had been sloppily resealed. I suspect I received a used puzzle rather than a new. The puzzle itself looks great and I was hoping to collect the series, but after this experience I will stay away from this company.
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