Item Type: Electronic memory handheld game Material: Plastic Size: Approx.9 x 15cm / 3.5 x 5.9in Battery Type: 2pcs 1.5V AA battery (not included) Applicable Age: Above 3 years old Package List 1 x Electronic Memory Handheld Game 1REPEATING MODE: Electronic memory run game is with bright lights and sound. Players press the colored keyboard in the correct order and it will repeat flashing sequence randomly. 2IMPROVE DIFFICULTY: Rhythm was stable at the start, but as the game continued, there are complicated flashing sequence, the rhythm accelerated and was difficult to remember. 3CHALLENGE DESIGN: Light memory handheld game has different exciting challenges, can track, turn on repetitive patterns and will be up to a higher level. Please watch carefully. 4COMPETITION WITH FRIENDS: You play with partner or by yourself. Finishing the longest sequence to get a new high score, and you have a chance to correct your mistakes before starting again. 5IMPROVE ABILITY: Made of plastic material, children plays with lasting and challenging games, which helps to cultivate their cognitive and concentration ability.