Features: brand new and high quality Classic design: The classical keychains are lightweight enough to carry with ease, designed with hanging keyring, making it easy to attach to your keys, schoolbag or pocket easily, a variety of colors to fit your personal style. Easy-to-use and addictive decompression toy. Suitable for those lack of attention/with hyperactivity disorder, also for students, office workers and daily fun. Flashing lights and various music: When the game starts, the lights will flash, guiding the baby to follow the lights to hit the mole.The music of each level is different. As the number of levels increases, the speed of the gopher will also increase with the rhythm of the music. Mini size: Each portable game console with hanging chain is approx. 2.36x1.97x0.79 inches, portable size that is appropriate for handholding and convenient for carrying and storing. Novel gift: The classic design of the keychain of this whack-a-mouse game is very suitable for boys and girls. Coupled with various musics, it will be welcomed by most people. You can give them as gifts to friends or family. Specifications: Material: Zinc Alloy+PVC Size: Approx.60x50x20mm/2.36x1.97x0.79 inches Color: Green, Pink, Purple, Yellow (Optional) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Hamster Memory Game Keychain