Watercolor Children's Christian Book Character Design

I have a children’s Christian book written and edited. I’m not ready to start illustrating the book but I want to come up with character designs. There are five animal characters. I’m leaning more towards... (Budget: $250 - $750 USD, Jobs: 2D Animation, Art Consulting, Art Installation, Creative Design, Graphic Design, Illustration, Illustrator, Oil Painting, Watercolor Painting)