Welcome to our store! 1、Main Application: This game can train the child's hand-eye coordination. Improve the child's work efficiency by cultivating hand-eye coordination. 2、A Game with Difficulty: Start at a steady pace, but as the game progresses. The lighting becomes more and more complex, faster and faster, nervous and exciting. 3、Fine Workmanship: This toy is well-made with a flat appearance and quick response, which can give children a good gaming experience. 4、Easy to Carry: Comes with a small size and lightweight, this toy is easy for children to put in their bags, they can play wherever they want. 5、Gifts for Children: This toy has both delicate design and interests are ideal gifts for children, your niece, nephew, as a birthday gift, festival gift, etc. Item Type: Light Sound Memory Toy Material: Plastic, Electronic Components Product Size: Approx. 8.8 x 8.8 x 2.5cm / 3.5 x 3.5 x 1in Battery: 1.5V 160mAh LR44 button battery x 3 (shipped with built-in battery) 1 x Light Sound Memory Toy Satisfaction Guarantee: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service.