Larger track measures: 8" (20.3 cm), small track meaxsures appx 4" (10.2 cm). Set fo 2  Grallator Theropod Dinosaur track. From the East Berlin Formation of Connecticut. 190 - 200 million years old.

Matrix measures 11" (28 cm) by 11" (28 cm). The track has been stained so it is easier to see.