This question is a fundamental part of a Professional IQ Intelligence Test, specifically measuring your Spatial Visualization and Cognitive Ability. Strengthening these mental muscles is key to Long-term Brain Health. To solve this efficiently, use the "Layering Method" to stimulate your Mental Fitness: Top Layer: A square face on top has 4 edges. Bottom Layer: The base square also consists of 4 edges. Vertical Connectors: There are 4 vertical edges connecting the top and bottom. Total Count: 4 + 4 + 4 = 12 edges. Stay Sharp Tip: High-quality Intelligence Quizzes often test the distinction between faces, vertices, and edges. A cube has 6 faces and 8 vertices. Regularly challenging yourself with Cognitive Assessments is a scientifically proven way to Stay Sharp and support Healthy Aging by keeping your logic and spatial memory active.