Unshudo Abacus US-15

The large beads make it easy for beginners to use. Features easy-to-see yellow beads and a fresh, blue frame. Includes place value stickers for easy understanding. Comes in a clear PP case. [Abacus Features] - Learning to use an abacus is said to improve not only calculation ability, but also concentration and perseverance. - The beads are made of carefully selected materials and meticulously adjusted for long-term durability, making it safe for both beginners and advanced users. [Feature 1] The large beads make it easy for beginners to use. [Feature 2] Features easy-to-see yellow beads and a fresh, blue frame. [Feature 3] Includes place value stickers for easy understanding. [Material] Frame: ABS resin / Beads: Styrofoam resin [Size] 67 x 260 x 20 mm / Weight: 140 g