How to Play1. Place the steel ball at the forefront of the 2. Control the two guide rails with both hands and let the steel ball move up, down, left and right along the guide rails.3. Let the steel ball fall into the hole at the appropriate position, and determine the score based on the position of the hole.4. 0 points are scored when falling into the outside of the hole. Intellectual GameAn ancient Chinese traditional intellectual game, it is fun and appropriate for multiple generations. Intelligent puzzle game perfect for people in all ages. Practice Childrens IQ It provides a challenge also help you to relieve stress, relax your mood and enjoy brain stimulation. It is beneficial to practice childrens IQ and exercise their ability of thinking. Safe to UseBalance Desktop Ball is made of high quality Wooden material, non toxic and odourless, environmental protection, it is safe to use. Suitable for children to play. Ideal Choice This is a good classic educational toy, you can give it to children, adults or the elderly.It is good for children to develop the mind, adults to kill time and the elder to enjoy leisure life.