As many of you may know, I have an almost complete collection of crystal puzzles. I've been collecting them since they first came out in 1977. Basically there are currently 3 companies that make these: Hanayama, Beverly/Jeruel, and YongJun. There are others that you will find on the market, but they aren't as prevalent. You can read about our collection here. Please bear in mind, that post is almost a year old and I've had quite a few lunches since then.
Many times over the last year or two I've been asked where I purchase them from. This post will tell you sites around the world that I go to to purchase my puzzles. Be warned, the list is extensive and while the prices of the puzzles may seem very good on some of them, there is always a trade-off: Time for delivery, or cost of shipping. As a disclaimer, I don't get any form of compensation from any of these companies. Clicking on each of the company names in the list below will take you to that webpage.
2) eBay - caveat emptor
3) Plaza Japan
7) Are You Game
9) Amazon Japan
11) Mr. Puzzle
16) TaoBao Focus
17) Bits and pieces
18) Puzzle Master
19) Hobby Link
23) Puzzle Warehouse
31) Soviet Express
There are of course many other places you can purchase these puzzles, but I think 31 is enough. I can't give away all my secrets. If searching on places like Amazon or eBay, don't forget to check the other countries. I've bought from the UK, Germany, Spain...
It also helps to have friends in many countries around the world. My puzzling friends know I like these things and they send me puzzles when they find them.
Some of the websites will need a reciever/shipper to send them to you. I've had great success with these companies and have yet to have a problem.
There are so many crystal puzzles out there. Our collection has over 500 completed pieces and probably another 100 unfinished pieces and yet I'm still missing around 20 or so. The hunt goes on. I wish you all the best of luck in your hunt for puzzles.