These fascinating and whimsical "Seismic Critters" are born in Mexican villages of the North American Native Nahua. As a caterpillar becomes a butterfly, these little creatures began their lives as gourds, grown to become motion-filled mascots, pets, and pals. The artisan's who make them speak Nahuatl. These creatures are "tlalolini", which in Nahuatl means "earthquake". In the Nahua villages, these delicately balanced zoomorphics are kept under glass and used to detect temblors and seismic activities. Popular with children, they were soon taken to the town and city markets, where Spanish is spoken, and where they were renamed "Sismicas". Now, their journey has taken these lovable"Seismic Critters" from the land of the Nahua, to you.