I ordered a Take set (
http://en.item.rakuten.com/trendone/1470423/) and I finally received it today (and a Junkmat). But I noticed a slight difference in weight between some tiles (4m is heavier than others), have others also noticed this?
And the rhinestones of the red 5p tiles were sticking out a bit. One of them was also a bit loose, so I removed it, filed it a bit and glued it back in. The other one I pushed and turned a bit so it doesn't stick out anymore and ruin my junkmat.
I got the 7m keychain, I was hoping for a chun or hatsu

And something was stuck in the carving of a 6m, so when I tried to get it out, some paint went with it.
What kind of paint can I use to restore it?
I forgot to keep the import taxes and other expenses in mind, so it did turn out a bit more expensive than I planned...
EDIT: It seems like there's something in a 1s. If I shake it, I can hear something moving. Also in a xia and in a hatsu. And probably more tiles.
EDIT2: I checked all my tiles. The ones shaking are:
1p 2p 4p 5p 9p
1s 2s 5s 6s 8s(2x)
3m 4m 5m 8m(2x)
haku, hatsu, ton, nan(2x), xia(2x), red 5p
That's 24 tiles! I expected these tiles to be of some high quality, but these inconsistencies prove otherwise. Ah well, I don't think it's damaging and during play it'll hardly be noticed... But they do make another noise when rubbing them to feel which ties they are or when tapping them...
But it leaves me wondering how these tiles are constructed...
And while I'm at it, the thickness of the tiles isn't that consistent. While most of the time it is hardly noticeable, two stacked haku are pretty easily distinguishable from eg two stacked hatsu.
The wind indicator/Dealer button is a piece of paper framed in plastic and the dice feel cheap and there are no special marks on the red fives (except for the embedded jewels in the 5p tiles) for blind players.
Good set for casual play, but I'd recommend another one if you want to play more at a competition level.
6.5
EDIT3: So I went with a hunch and put some of my strong magnets besides them. It turns out the tiles contain a ferromagnetic metal (no magnets themselves, as they do not react differently to other polarities), probably causing the noise.