Delivered within 14 days to Germany even there was christmas between. Description to assemble is in Chinese, but can be found here on AliExpress in the product description in English and is very helpful. Assembling is quite easy if you have some soldering skills.
I can't give five stars because even if an excellent product the complete absence of instructions, a detail on the assembly, a simple diagram, would be mandatory. Advice: it is not mentioned, but in addition to the LEDs, with which a normal soldering iron is enough, there are also 27 SMD resistors and you need a good fine or SMD soldering iron. Also remember to cut the poles of the LEDs at the base of the base because the plexiglass is cut very precisely and does not pass through it. Really interesting object.