Description: 13 Column 5 Beads Vintage chinese style abacus bead arithmetic calculator number counting tool educational toy Beads Number: 5 Beads Per Row x 13 Rows, with red beads for ten, hundred, thousand digits location 13 digit professional abacus with plastic frame, Great for children math learning, number counting tool Conducive to cultivate and improve children's computing power, memory and attention Material: Plastic Color?As picture show Specification: L x W x H: Approx 20*6*1.5cm/ 7.87*2.36*0.59 inch Package Includes: 1 piece Abacus Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand
