NIKOLATOY Galton Board Normal Distribution Model Scientific Exploration Desktop Ornaments Science Discovery Toys

Description Place a small round glass ball with a diameter slightly smaller than the distance between two nails at the entrance As the ball descends it rolls down to the left or right with a probability of 1 2 after hitting the nails and then touches the next layer of nails Continue like this until you roll into a grid on the bottom plate Continuously dropping numerous small balls of the same size from the entrance as long as the number of balls is quite large they will be stacked on the bottom plate to form an approximately normal density function graph i e a symmetrical ancient bell shape with a high middle and low ends where n is the number of layers of nails This is a model designed by British biostatistician Galton to study random phenomena Specification Brand NIKOLATOYProduct Name Galton board normal distribution model Product Color As ShownOptional Size Version S Small Size L Large Size Product Size 12x17cm S Version 23x31cm L Version Weight 150g S Version 670g L Version Package included 1X Galton Board Normal Distribution Model