This puzzle is great! I found it to be surprisingly tricky, and finally discovering the solution was very satisfying. The pieces and container are also very well made, with a nice texture and sturdy feel. I also love the color scheme!

This puzzle is one of my favorites! All puzzlers must have a copy of this one.
It is well-made, and I got very fast.

It looks like a simple packing puzzle until you realize that those holes limit how you can pack the pieces in. Not only is the order important, but the orientation is too. Don't rush your analysis of the box. There is more to it than meets the eye. It is quite clever. I liked it so much that I got several to give to friends.

Three pieces?! That's all it takes for the Shinobi puzzle to completely fry your brain in the best way possible. Seriously, this puzzle is crazy awesome. If you're looking for a real challenge that's also super satisfying to solve, grab this one.

I collect puzzles and even have a curio cabinet just to display my best ones. The 4L puzzle has a prominent spot. It’s that good. The solution path on it is just brilliant. Everyone should experience this masterpiece.

Love it! got it as a gift to my father for Christmas, who has literally everything. we got a great mix of puzzles he didn't see before, and had lots of fun figuring them out. feels good!

Certainly one of the best I’ve solved so far, made my weekend

Amazing puzzle! It’s my first time buying a puzzle like this, I was surprised by the quality.