Pehistoric Pioneers (Dinosaur Explorers, Vol. 1)

Trapped in the Precambrian Era over 570 million years ago by an earthquake, the Dinosaur Explorers find themselves in a fix - by needing a bigger fix for their time machine! Under the guidance of Dr. Da Vinci, his assistant, Diana, and Starz, their helpful tiny robot, Rain, Emily, Sean, and Stone must now face the challenge of finding electricity in an era where humans don't exist yet! And to make matters worse, the locals don't take kindly to the Dinosaur Explorers! Witness all the wonders of our world's past with these prehistoric pioneers!