4Pcs Hand Exercise Ball For Finger Strength Boosting For Piano Players Trending

Feature: \n 1. Piano Training: Hold the exercise ball in your hand when playing the piano, which will help studying the correct fingering.\n2. Smart Exercise: These balls are suitable for hand opening expansion, finger strength boosting, palm support and wrist lift.\n3. 4Pcs in 1 Pack: There are 4pcs training ball with different sizes, making the practice needs for both adults and children.\n4. Great Material: Using premium sponge material with high elasticity, very comfortable to use and also quick in rebounding.\n5. Easy Carrying: Comes with a compact size and a light weight, you can easily carry the ball to exercise anytime and anywhere. \n\nSpecification: \n\nItem Type: Hand Exercise Ball\nMaterial: Sponge\n\nPackage List: \n 4 x\n\nHand Exercise Ball \n\n1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.\n\n2. duties,taxes,and charges are not included in the item price or shipping fee.\n\n3. The duties are buye: