A menorah can be purchased in many places. First of all, some synagogues have small gift shops, where menorahs are likely to be found. Second, most big department stores (Target, Walmart, Bad Bath & Beyond) also hold menorahs. Menorahs can also be found in Jewish shops (in the Jewish quarter of a city, or a Jewish neighborhood) as well as in Judaica shops - shops which sell Jewish ceremonial art (like Canaan online, Ajudaica, etc.).
Target
There are no traditional colors for a menorah.
A menorah can have any design or words on it. It depends on the menorah. There is no rule about this.
There is no rule about the colors of a menorah.
a menorah doesn't have labels.
For Kwanzaa, kinara is the word for menorah.
The candles on the Menorah can be of any color.
a menorah is a candle holder. You can't eat on it.
the Menorah
In some households, each person lights a separate menorah. In others, the father of the family lights the menorah.
The traditional name is a menorah. Modern (Israeli) Hebrew has added the name "hanukkiah."See also the Related Link.More about Hanukkah
In Madrid, you can buy a menorah at Jewish specialty stores such as "Tienda Judaica" or at larger bookstores that have a section for religious items. Additionally, local synagogues may offer menorahs for sale or can direct you to where to find one. Online marketplaces like Amazon or eBay also provide options for purchasing menorahs with delivery to Madrid.