This is Arithmetic Lab Level 10. I purchased it 3-4 years ago. I haven't used it at all. I don't see any stains or scratches, but since it's a used item that has been in someone else's hands, please refrain from purchasing if you are sensitive or particular about details. This is a personal inspection. Please be aware of this. Shipping will be handled by me using the cheapest method available. Please contact me if you have any preferences. I apologize in advance if the product is different from your expectations upon arrival, so please ask any questions you may have beforehand. Returns and refunds are not accepted. Thank you for your understanding. Please contact me if you live on a remote island. Also, I may not be able to ship immediately. Please refer to my profile for details.