Whimsical Children's Birthday Party Illustration

whimsical hand-drawn children's birthday party illustration, two smiling young children standing with colorful balloons and wrapped presents, a teddy bear holding a gift between them, festive bunting flags and curved text reading Happy Birthday above, loose doodle linework, watercolor and colored pencil texture, playful imperfect outlines, white background with small sketchy confetti marks, bright pastel colors, cute naive art style, light cheerful party atmosphere, simple greeting card design