Shimajiro Clock Master Kodomo Challenge A colorful clock-shaped toy with a voice function, perfect for learning numbers. - Operation confirmed (all buttons are normal) - Features: Voice function - Batteries: Please purchase separately - Instruction manual not included - Original box/case not included - No pets or smokers - Disinfected and sanitized - Free shipping How to operate the "Clock Master" Press the question mark button at the bottom left, and a quiz will be presented with audio: "Let's set the hands to X o'clock!" Move the hands and press the clock button at the bottom right, and it will tell you "Correct!" "Prompt Timer" Set the timer using the hourglass button at the top right (up to 5 minutes), and press the start button at the top left to play music and start the timer. Press the start button again to stop the timer. For practicing "moving promptly while being aware of time" and "intuitively grasping the length of time." It can be learned enjoyably through a game-like experience with encouraging sounds and lights. Thank you for looking.