Piano #Training Board #Lesson no Tomosha - Product Name: #TRAINING BOARD - Included: 7 balls, 2 balls with screws - Purpose: # Music Training # Finger Training # Training for Pianists Although it has never been used, it is an old item. The instruction manual and box have folds as shown in the photos, but they are all readable. For those who understand that this is a used item, thank you. Thank you for looking.