Item Type: Electronic memory handheld game Material: Plastic Size: Approx.16cm / 6.3in Battery Type: 2pcs 1.5V AA battery (not included) Applicable Age: Above 3 years old 1REPETITION MODE: An exciting game with bright lights. Players press the colored keyboard in the correct order and repeat the random flashing sequence. 2CREATION DIFFICULTY: At the beginning of the game, the rhythm was stable, but as the game continued, the lighting sequence became more and more complicated, the rhythm accelerated and was difficult to remember. 3CHALLENGE: Electronic memory handheld game can have exciting challenges, which can track, turn on repetitive patterns and upgrade to a higher level. 4COMPETITION: Match with friends or play by yourself. Try to achieve a new high score by completing the longest sequence, and you have a chance to correct your mistakes before starting again. 5TRAINING ABILITY: Made of solid plastic material, it provides children with a set of lasting and challenging games, which helps to cultivate their cognitive and concentration ability.1 x ElectronicMemoryHandheldGame