Exchanged by Wil Strijbos, this puzzle have some uncommon features.
First, it differs from Wil's usual bottle that are in glass. Secondly this one has 2 goals. And finally, guess what? The bottle is normally used for pee tests....!!
OK so one goal is to free the ball. The second goal is to put the metal ring that is inside same as in the right picture. Indeed at the beginning does not "cover" the shackle of the lock but only goes through.
The bottom of the bottle has a hole and maybe this can be useful. Ah...and I forgot to mention, don't even try to open the bottle: this has been glued!! What did you expect??
Like another of Wil's bottles, the keys are outside. Surely they will be useful in some ways.
So despite its original look and its "must-have" value for a collector, what about the solving process?
Tying to not spoil, I would say that this is a dificult puzzle. Of course, you have to get clever ideas in the right moments, but even if you have these ideas, the puzzles requires dexterity, I would even say a pretty hard dexterity, especially for one goal.
And you have also to pay attention to not use brute force and be careful to avoid damaging the plexi. This is not a strong plexi, so be careful. Not to put in every hands...
What do I think about this puzzle? I like it a lot...but I would have liked even more with less dexterity (and why not more steps) and in a thicker bottle.
In Wil's flickr you can see some other bottles. A strange one has even a lot of things inside...would be worth the case to make some more! :-)