In the story “Freewheel Adventure,” Bourlinga, a red Camaro, and Virevolta, a blue Mustang, discover that the highway is unfinished. They take a detour and meet Roulibus, a gray van who invites them on a treasure hunt. In a cave full of toys, they have fun and each choose a toy. After the adventure, Roulibus guides them back home, concluding their joyful and full day. discoveries.