what is its major export?
Olmec style pottery and figurines
San Lorenzo Tenochtitlán
Various types of Olmec style pottery and figurines originating in San Lorenzo area were exported to other areas in Mesoamerica. For example, at the Canton Corralito site in coastal Chiapas state, very large numbers were found.

Over 5,000 objects produced in the early Olmec style were found at Canton Corralito. In fact, many more Initial Olmec (1250-1150 BCE) and Early Olmec (1150-1000 BCE) type objects were found at Canton Corralito than at San Lorenzo area. For the Cuadros phase (Early Olmec horizon), 15 percent of the carved pottery (Calzadas Carved) and nine percent of the incised pottery (Limón Incised) was imported from San Lorenzo area. At the same time, none of the San Lorenzo objects examined so far were found to be imports from any other area.
what features are found in most heads in mayan sculpture UNANSWERABLE who or what is the entity? The Olmec colossal heads are stone representations of human heads sculpted from large basalt boulders. where is it located? Takalik Abaj in Guatemala; Tres Zapotes in Mexico how old are they? At least 900 BC were they replicated? Yes  - a resin replica; a replica Olmec colossal head what civilisation do they belong to? Olmec civilization was it ever vandalised? Yes - On 12 January 2009, at least three people entered the Parque-Museo La Venta in Villahermosa and damaged just under 30 archaeological pieces, including the four La Venta colossal heads. where is the majority of the heads located? San Lorenzo in Mexico what is this place known for? A multitude of stone sculptures displayed; gigantic Colossal Heads
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San Lorenzo Tenochtitlán [SEP] Exports from San Lorenzo
Various types of Olmec style pottery and figurines originating in San Lorenzo area were exported to other areas in Mesoamerica. For example, at the Canton Corralito site in coastal Chiapas state, very large numbers were found. Over 5,000 objects produced in the early Olmec style were found at Canton Corralito. In fact, many more Initial Olmec (1250-1150 BCE) and Early Olmec (1150-1000 BCE) type objects were found at Canton Corralito than at San Lorenzo area. For the Cuadros phase (Early Olmec horizon), 15 percent of the carved pottery (Calzadas Carved) and nine percent of the incised pottery (Limón Incised) was imported from San Lorenzo area.