HomeProduct Package Dimensions8.7 x 7.8 x 7.1 cm; 270 Grams 8.7 x 7.8 x 7.1 cm; 270 Grams Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Wrist ball, energy ball, gyroscopic hand trainer for training the hand and arm muscles, hand training device, gyroscope… Added to wishlistRemoved from wishlist 0 £18.69