The instructions for these kits are in Chinese, with some parts written in poor English that is not very helpful. Fortunately, the photos are excellent, showing each step in vivid detail. This means you won’t need to read the instructions at all.
The furniture needs to be assembled. It is made of high-quality wood and usually comes pre-finished, so you won't need to paint it yourself.
The kits include all the electrical components needed for you to do the wiring yourself. Every item in this kitchen, no matter how small, must be handmade from the kit's materials. You will also need to do all the upholstery, so having some sewing skills will be helpful.
I always create a base for these room boxes to give them height for better display and to hide the wiring and power box. I use balsa wood for the base. Thumbtacks help hold the dust cover in place, as it is very light and can shift easily. Most of these kits come with an acrylic dust cover that you need to assemble yourself.