Dalton board professional statistical tool for visualizing and analyzing random processes and molecular velocity distributions Key benefits Makes abstract statistical concepts visible: shows how repeated random events produce a normal distribution, providing an intuitive link between individual random outcomes and the bell curve. Supports learning and analysis: useful for studying statistical laws, the movement rate of gas molecules, and models of random phenomena in physics and statistics. Durable and precise construction: built to withstand repeated classroom and demonstration use while maintaining consistent behavior. How it works Rotate the Dalton board and release steel balls so each bounce has an equal chance to deflect left or right. The balls accumulate across the row of nails and Vshaped grooves, producing an approximate bell curve distribution that illustrates the transition from binomial to normal distribution. Easy to observe and interpret results in real time, making the statistical process clear and repeatable. Product features Size: 42*32cm (16.5*12.6in), compact enough for tabletop demonstrations and large enough for clear visual results. Materials: plexiglass board, rows of nails, Vshaped grooves, inserts, and notches for reliable ball guidance and repeatable outcomes. Components: designed for use with steel balls; construction supports longterm use without frequent adjustments. Userfriendly: simple operation suitable for quick setup and repeated trials during demonstrations or lab sessions. Typical applications Classroom demonstration: show the emergence of the bell curve in school or undergraduate physics and statistics classes. Laboratory exercise: use in lab sessions to collect data, analyze frequency distributions, and compare empirical results with theoretical models. Science exhibitions and interactive displays: engage visitors with a handson demonstration of randomness and distribution in a museum or educational event. What makes it stand out Direct, visual demonstration of statistical principles that are often difficult to grasp from equations alone. Robust materials and clear design ensure consistent, repeatable behavior across multiple trials. Suitable for educators, students, and physics enthusiasts who need a practical, handson tool for teaching and exploring statistical distributions. Included and requirements Dalton board with plexiglass base, rows of nails, Vshaped grooves, inserts, and notches. Steel balls required for operation (not specified in this description). Usage tips Run multiple trials and record final ball positions to build a frequency histogram for comparison with theoretical distributions. Use different numbers of balls per trial to demonstrate convergence toward the bell curve. Combine with classroom discussion or lab worksheets to reinforce the statistical concepts demonstrated.