changer is a little makes me many services (I 10)
The colors are correct except red (yuck).
Purple, yellow, green and blue are nice
The machine is simple in design, but fairly loud, because of the air flowing through the vents (I modify it by cutting a plastic grid and replace it with a metal grid which is better)
Warning covers are a bit fragile if we do not pay attention.
For the rest, to date there are reliable is effective for what I ask them
good value for money.