Unshudo Soroban Solomatic 23 Digit Boxball USM-103

[Features] One-touch payment method/[Case] Hard case included (magnetic type) [Target] For beginners to intermediate users [Frame shape/material] Triangular (reinforced eyelet)/laminated material [Ball material/quality] Box ball (medium) [Size] 334 x 66 x 19 / Weight 400g [Body size] 334 x 66 x 19mm