Colorful Dream Rendering

I need a realistic artist's rendering of a dream my granddaughter had. The artwork needs to be very colorful.

Requirements:
- Preferred mediums: Acrylic, watercolor, or colored pencils on paper
- Artwork size: 11x14 inches minimum to 24x24 inches maximum

Ideal skills and experience:
- Proficiency in realistic art
- Experience with chosen mediums
- Ability to create vibrant, colorful pieces