The Rock n' Roll Dinosaur: Who will Dino play for

Dino was working on a new project up in his room. His mother told him that he should go out and enjoy the day with his little friends. He told his mother that he was working on a project up in his room and he would play later. He ran upstairs to his room in the cave. He worked up there for hours. What was he creating for his new project? Did he ever go back outside and play with his friends? What happens at the end? Read on and find out for yourself!!!