I am no puzzle expert, neither is anyone of my family, but we have had no issues with his puzzle and it was put together, broken back apart and put together again during the waning months of the pandemic when my kids were home most of the time. (Thankfully that’s essentially over now)This puzzle, coupled with probably half a dozen others, formed part of the process of keeping everybody busy during the late winter months during the pandemic. While this puzzle is certainly challenging, my kids gotSee full review