An Whiteboard Explainer Video is a short, fun and informative video that is usually 2 – 3 minutes long but in a few cases shorter. An Explainer Video is a short, fun and … entertaining and fun to view it captures and holds viewers more effective than just text or boring videos. High-quality explainer videos explain, engage, & sell. Explainer Videos don\’t simply explain ideas, they bring focus and attention to making an idea very easy to comprehend. Their communication is intentional and goal oriented. Present your company\’s message and sell your products & services.