Desk Galton Board A compact desktop probability demonstration model that converts random inputs into a visible distribution pattern. Designed for classroom and laboratory use, this Galton board clarifies how repeated random events form a bell curve and supports handson exploration of probability, binomial distribution, and the central limit theorem. Key benefits See probability in action: Immediate visual proof of how independent random trials aggregate into a normallooking distribution, making abstract concepts tangible. Improve comprehension and retention: Students observe outcomes, count results, and relate experiment data to theoretical expectations. Simple and repeatable demonstration: Easy to operate for demonstrations, experiments, or quick classroom activities without complex setup. Durable desktop design: Built to withstand regular use on desks, lab benches, or lecture podiums while keeping experiment results clearly visible. Features and important attributes Function: Produces a natural binomial distribution that approaches a bell curve as trials increase; ideal for demonstrating randomness, variance, and distribution shape. Compatibility: Suitable for physics and statistics lessons, math labs, STEM workshops, teacher demonstrations, and university experiments. Size and placement: Desksized for convenient use on classroom tables, laboratory benches, and office desks; compact footprint for easy storage. Construction and materials: Clear viewing panel and stable base for unobstructed observation and reliable performance during repeated trials. Performance: Consistent, repeatable outcomes that allow comparison with theoretical predictions; supports many sequential trials to demonstrate convergence behavior. How it solves common teaching problems Makes abstract theory concrete by turning equations into visible results, reducing student confusion about why distributions form a bell curve. Saves time compared with lengthy computer simulations by providing instant, handson feedback. Encourages active learning through group participation, data collection, and analysis of real experimental outcomes. Typical use scenarios Classroom demonstration: Instructor drops tokens or balls and guides students to record counts per bin, compare observed frequencies with expected probabilities, and discuss variance and sampling error. Laboratory experiment: Students run repeated trials, tabulate results, and plot histograms to study the binomial distribution and its convergence toward a normal distribution as sample size increases. Workshop or outreach activity: Use the board for interactive demonstrations at STEM events or teacher training sessions to illustrate fundamental probability concepts in a memorable way. What you will appreciate Immediate visual feedback that reinforces statistical concepts. Robust design intended for regular educational use. Portable and easy to store when not in use. Versatile teaching tool for multiple educational levels and settings. Operation basics Place the board on a flat surface, release the tokens from the , and observe them cascade through the pins into the slots. Count or collect results per slot to create frequency distributions and compare with theoretical models. Repeat trials to demonstrate variability and the effect of sample size on distribution shape. This Desk Galton Board is suited for educators and instructors who need a reliable, handson tool to teach probability and statistics concepts in a clear, interactive way.