The Xplorers risk their lives to ponder the mysteries of the Permian-Carboniferous eras, around 350 million years back.
Many creatures which are small today were very big back then, presenting a big problem when the X-Venture Xplorers encounter things like giant spiders! 5 1/2 x 8..
The Xplorers risk their lives to ponder the mysteries of the Permian-Carboniferous eras, around 350 million years back