Millions of challenging games, Three different levels of difficulty;Play with or without answer prompts, Backlit screen for lowlight play;Sound effects indicate startup, game start and stop, correct and incorrect answers, etc.;Displays time and date, Alarm clock function;Requires two AAA batteries included, Model TY-500B

• Electronic Sudoku Reasoning and Logic Game

Electronic Sudoku Reasoning and Logic GameTrademark Global - Toys