Description: The abacus compact and lightweight for children beginners use Children can by learning abacus First, to foster interest in learning. Second, to promote the development of attention. The development of intelligence, computing capability is significantly enhanced. Enhanced spatial memory. Specifications: Abacus Name: 17-speed plastic abacus new material Material: ABS non-toxic materials Length specially designed according to the needs of students, can directly into the bag, easy to carry 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: as shown Color: brown Quantity shipped: 1