Lightbulb Icon - Symbol of Ideas, Innovation, and Creativity #3378578 (License: Personal Use)

This hand-drawn style lightbulb features a bold black outline, vivid yellow fill, and dynamic radiating lines suggesting illumination and insight. The filament is stylized as a wavy line, reinforcing the playful, conceptual nature of the illustration. Small curved lines near the base imply motion or activation, enhancing its energetic feel.

Commonly used in educational materials, brainstorming tools, startup websites, and UX interfaces to denote ideas, solutions, or “aha” moments. Matches user intent for visual metaphors related to creativity, problem-solving, and innovation.