The blocks themselves are clean as they've only been used a few times. The box and the hiragana/katakana chart show some signs of use. Please refrain from purchasing if you are sensitive to items stored at home. Feel free to ask any questions in the comments! ● 50 blocks included ● Age: 3 years and up ● Package size (cm): 23 x 26 x 4.7 ● Manufacturer: Muraoka