Welcome To Sebastian's World. Follow Sebastian's journey as he explores pretend play, arts, crafts and more. Sebastian makes believe that he's a doctor-not just a regular doctor, a holistic doctor. He reminds us, "You are what you eat." Sebastian paints white toy cars red, orange, yellow, green, blue, and purple. He teaches us how to make gluten-free, blueberry, banana, chocolate chip pancakes and much more.