The marketing mix is "the set of controllable tactical marketing told - product, price, place and promotion - that the firm blends to produce the response it wants from the target market." - Kotler. This means that the marketing mix is made up of the 4P's mentioned above, these are used together to develop a positive response from its target market. In recent years 7P's have been used, in order for the company to become more competitive, these additional P's are people, physical evidence and process.
When dealing with a product like Barbie, marketers need to identify their target markets, these being young girls, grandparents and parents of young children. Marketers need use the marketing mix to satisfy their target market and improve the profitability of the company.
The product itself is very much suited for young girls and what they may aspire to be since the doll is presented as always being kind and fun and also doing different jobs, so every girl can relate to one Barbie doll or another.
A doll needs to be of good quality, especially since children are not known for taking care of their toys and parents will most probably refuse to buy new ones if the toy does not last long. The brand name 'Barbie' also needs to be carefully chosen, the product will probably become internationally known and the company will not want it translating into a rude phrase or a complicated one in another language. The product itself may have to be changed when selling to customers in a foreign country of a different background or culture. For example when Barbie was launched in Japan it was not successful because the young girls in that country could not relate to the blonde haired, blue eyed new doll...