Description: 17 Column 5 Rainbow Beads Vintage chinese soroban style abacus bead arithmetic calculator number counting tool educational toy Beads Number: 5 Beads Per Row x 17 Rows 17 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?Multicolored Specification: L x W x H: Approx 27*6*1.5cm / 10.62*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
