Alcatraz Penitentiary - SOLD 3.084" Showcase Concrete plesiosaurteeth The software for the eFlex

The software for the eFlex runs on the latest versions of Microsoft Windows and Apple's OSX

The Companion Guide for AGE OF DINOSAURS is a full-color

This specimen is a complete 64

ejecting material that becomes a new meteorite in turn

Alcatraz Penitentiary - SOLD 3.084" Showcase Concrete plesiosaurteeth The software for the eFlexThis is an authentic piece of concrete from Alcatraz Penitentiary. Yes, an actual piece of The Rock!" This particular specimen measures 3. 084" along the widest point. This specimen, from the famous Alcatraz Island, saw some 1,500 prisoners pass by it during the prison's operation. A certificate of authenticity is included.