"Grandpa's Cartoncito" is a delightful tale about Rosy's weekends spent with her grandfather, who is known as the greatest magician ever. Rosy eagerly anticipates these weekends, where she discovers the magical wonders of her grandfather's town, all made possible by the extraordinary Cartoncito. With the Cartoncito in hand, Rosy embarks on enchanting adventures, making special memories with her grandfather and the friendly locals. But as the weekends come to an end, Rosy learns the importance of cherishing special moments and sharing love with family. This heartwarming story celebrates the joy of spending time with loved ones and the magic found in everyday life.