An economic need refers to something essential for basic survival and well-being, while a want is something that is desirable but not essential. Out of the options provided, the following are economic needs:
- Toothbrush (necessary for dental hygiene)
- Soap (necessary for cleanliness and hygiene)
- Healthcare (essential for maintaining health)
While a "full set of clothes" may also be important, it can be considered more of a want compared to the crucial nature of healthcare, soap, and a toothbrush. Therefore, the best answer would likely be:
Healthcare