Adventure Picture Book for Preschoolers

I have an idea for a lively adventure story aimed squarely at children aged 3-5. I need a creative writer who can turn that spark into a complete 10-20-page picture-book manuscript that keeps little listeners wide-eyed from start to finish... (Budget: $250 - $750 USD, Jobs: Book Writing, Caricature & Cartoons, Creative Writing, Fiction, Illustration)