Brand: TAG Purchased on Amazon and used for about six months. I think it can still be used. My child developed concentration and tracking skills with this. Highly recommended. All the balls are included. TAG TGSR3 Educational Toy for 0-1 Year Olds Baby Toy Retail Price: ¥27,500 This is a tracker from TAG that allows children to predict movement. The balls roll at a slow speed that is easy to follow. TAG, as the name Think And Grow suggests, is designed based on brain and child development theory. Children can play while using their five senses, including seeing, hearing, and touching. The difficulty of play can be adjusted, so it can be used to suit the needs of each child. Product Name: TAG Tracker for Attention and Movement Prediction Set Contents: Stand (Assembly required) Balls: 4 Size: Height 59 x Width 41 x Depth 25cm Ball Diameter: 6cm Weight (approx.): 4.15kg Country of Origin: USA