 Then is when the principal monuments in the site are built matching the splendor of Xochicalco, Morelos; Teotenango, South of the Valley of Toluca and Cholula, Puebla, cities that flourished after the decline of Teotihuacan.The main pieces that are exhibited in the Museum belong to the epiclassical mesoamerican period, as the anthropomorphic sculptures with crossed arms, ceramic masks with a kind of eye masking, the ballgame court (tlachmalacátl) stone ring and stone disks carved with the image of a dual serpent in the center.This period corresponds to the sculpture area, where there are two anthropomorphic Stelae carved in green stone and embedded in the ground.