There are some sticker marks because a sticker was attached. It has been initialized. It runs on batteries. You can use earphones. It can do English, kanji, and calculations. I think there were also game-like features, but I can't access them because they require a password. You can raise a robot by studying kanji and doing calculations. It will be shipped via Yu-Packet Post Mini. Kanji: 4th Grade - Same Readings 4th Grade - Similar Shapes 4th Grade - Furigana/Reading 1st Semester - Same Readings/Similar Shapes 1st Semester - Furigana/Reading 2nd Semester - Same Readings/Similar Shapes 2nd Semester - Furigana/Reading 5th Grade - Summary - Same Readings 5th Grade - Summary - Similar Shapes 5th Grade - Summary - Furigana/Reading Calculations: Decimal Multiplication and Division Estimation Fraction Addition and Subtraction Decimal Multiplication Decimal Division Reducing Fractions Finding Common Denominators Fractions, Decimals, and Integers Fraction x Integer Fraction ÷ Integer Thank you for looking.