Fun mental math game. Skills developed while playing: ・Addition, subtraction ・Mental calculation ability ・Multiplication - Product Name: i sea 10! - Target Age: 6-9 years old - Players: 1-4 - Game Type: Mental math game Used once and stored at home. Please refrain from purchasing if you are concerned about minor details, as it has been stored by a private individual. Returns, refunds, and exchanges are not accepted. Shipping method may be changed. Please understand this beforehand. Will be sent with simple packaging. Thank you for viewing.