I bought this puzzle because I had gotten a gift certificate to Overstock by donating blood. Was looking for something of the value of the certificate, and this fit the bill. Also reminded me of a puzzle I had as a kid. I think it goes together the same way. As I took it apart, it seemed very familiar, and as I tried to put it together I realized it's been a while! Eventually succeeded. Craftsmanship is fine, nothing extraordinary. Cool gift for kids, probably.
I purchased this as a Christmas gift and the recipient says not only is it challenging, he called it "evil"!! But, I think he is enjoying it and determined to master it. In fact, just taking it apart is a challenge. So, if you have anyone who thinks they're a champion of these types of puzzles, this is the one to put their modesty in place!