Coloring Online: Create a 20-page children's coloring book for ages 4–8. Each page should contain one cute, simple subject with thick black outlines, large clear spaces for coloring, no shading, no gray tones, white background, simple cartoon style, friendly and cheerful characters. Make each page different. Themes: 1. Cute lion, 2. Elephant, 3. Giraffe, 4. Monkey, 5. Panda, 6. Rabbit, 7. Cat, 8. Dog, 9. Butterfly, 10. Bee, 11. Dinosaur, 12. Fish, 13. Turtle, 14. Rocket, 15. Airplane, 16. Fire truck, 17. Castle, 18. Tree house, 19. Rainbow and clouds, 20. Happy farm scene. Print-ready children's coloring book, clean line art, high resolution, A4 portrait format. No text, no watermark, no color.