A cave. A painting. A girl. A dream. Osha is an adventurous and determined little girl who dreams of seeing mammoths. Unfortunately, it has been many, many years since the last mammoth was sighted. Nevertheless, the fireside stories of her Grandpa and the beautiful paintings within the cave near her family's camp, fuel her hopes to one day see one. Through Osha's eyes, experience the Stone Age like never before. Join her and her friends on their adventures, in a world very different from your own. It all begins with a wall...