Loopz Game (Age: 7 years and up) (FAMILY GAME) Motion sensors in each loop read the action to ensure each light sequence was repeated correctly. An internal counter measures each player's speed, level and rates overall performance. Loopz includes 7 different games that can be played solo, head-to-head or with up to 4 players. Loopz by Mattel is a skill and action music memory game that really gets kids moving. Watch and repeat the ever-quickening patterns of light and music by waving your hands through 4 semi-circular rings. Stay alert! Miss 3 times and you're out. Batteries: 4 AA batteries are required (not included) Product Dimensions(in inches)12.7 x 12.0 x 2.3