Visualize probability in real time with a classroomready physics demonstration model that turns abstract statistics into an intuitive, handson experience. Key benefits Makes abstract concepts tangible: Converts probability theory into a visible process so students can see how random events create statistical patterns. Demonstrates normal distribution formation: Falling beads navigate a series of obstacles and landing positions build a bellshaped distribution in real time. Encourages active learning: Combines teacherled demonstration with studentrun experiments to reinforce theory through direct observation and measurement. Versatile teaching tool: Suitable for statistics, physics, and general STEM instruction at secondary and undergraduate levels. Features and function Dynamic probability board: A vertically mounted board with an array of staggered hooks or pegs that guide falling beads into a measurable distribution. Visible bead flow: Precisionarranged obstacles cause beads to follow a range of paths, producing a clear histogram of outcomes at the base. Handson operation: Students can release beads, vary initial conditions, and observe how changing inputs affects the resulting distribution. Compact, demonstrationready design: Built for tabletop or lectern use for easy setup in classrooms and labs. Repeatable performance: Designed for repeated demonstrations and guided experiments to support curriculum activities. Uses and applications Classroom lecture: Use during a statistics or physics lesson to demonstrate the central limit theorem and the emergence of the normal distribution. Laboratory exercise: Assign students to collect landing counts across multiple trials, plot the results, and compare empirical data to theoretical curves. Outreach or exhibit: Place in a learning center or science fair to engage visitors with a clear visual representation of randomness and statistical regularity. How it supports instruction Promotes inquiry: The moving beads and visible trajectories prompt questions and hypothesis testing. Integrates with lesson plans: Works alongside discussions of probability, distributions, sampling, and experimental error. Facilitates assessment: Instructors can design short experiments and quizzes around observed distributions and data collection. Practical notes Suitable for classroom, laboratory, and demonstration settings where visual and tactile learning enhance understanding. Intended for educational use as a teaching aid to supplement theoretical lessons in probability and statistics. This model provides a straightforward, reliable way to bring statistical principles into the classroom through direct observation, guided experimentation, and interactive demonstration.