This is a set of educational magnetic boards used in Yamaha Music School. Thanks to this magnetic board, I was able to learn musical notes in a fun way. [Set Contents] ・Front: YAMAHA character illustration music board ・Back: Keyboard diagram, sharp (♯) and flat (♭) magnets, musical note magnets, etc. ・Staff paper board ・Pupple stamp included My son used it, but I think the condition is good. Thank you for your understanding if you are purchasing a used item.