DescriptionThis is a set of piano trainer balls, which are made of high-quality materials, durable and can be used for a long time. A ball in hand can solve the problem of piano player hand shape, helping to form correct piano gestures. All kinds of training methods are suitable for all kinds of hand shape exercises.Features-Color: Assorted color. -Material: Sponge. -Size: About 9.50X9.50X9.50cm/ 3.73X3.73X3.73in.- A ball in hand can solve the problem of piano player hand shape, helping to form correct piano gestures. - All kinds of training methods are suitable for all kinds of hand shape exercises. - These ball are suitable for tiger opening expansion, finger strength improvement, palm support and wrist lifting. - Practice five minutes a day with these practical training balls for good piano playing gesture. - With high elastic sponge material, these piano finger trainers are comfortable to touch, quick rebounds.
