Three businesses won awards at the Feria del Técnico en Administración de Empresas in Cartago.
The projects were done by business administration students at the Tecnológico de Costa Rica.
The top prize went to a proposal to develop a day care center that not only would mind children but also stimulate their intellectual development.
Second place was a company that offers products in biodegradable packaging that will disintegrate within 180 days of contact with air or water.
Third place went to a proposal to cultivate and sell ostra mushrooms in Heredia.
This was the seventh annual fair.
Many of the students are employed in Costa Rican businesses and have enrolled in a program that includes 12 courses, two each semester. The classes are held in many locations in the country, not just on the Cartago campus.