Herramienta De Cálculo De Plástico ábaco Aritmética Soroban Infantil 17 Dígitos
Brand: TRNLHM
Color: Negro & Cafe
Soroban style abacus, plastic frame, 17 digits;One bead above and four beads below;Give concrete visible display of numbers by beads;A very useful tool in general mathematics education;Widely used by kids, accounting students, merchants, traders, etc
Plastic Abacus Arithmetic Soroban Kid's Calculating Tool 17 Digits