Handdrawn Doodle Infographic Posters

Create premium hand-drawn doodle infographic posters inspired by educational visual mind maps. Each design features a different main character while maintaining the same expressive black ink sketch style, colorful watercolor highlights, handwritten typography, arrows, labels, icons, banners, sticky notes, and playful educational layout. The composition is optimized for 1:1 aspect ratio, making it perfect for posters, social media, printables, and PromptBase listings.