Student Abacus
Gelsonlab HSMM-005 Abacus, 5 U-Shaped Steel Wires, Metal Frame, Arithmetic Learning and Calculation Tool for Students and Teachers
Features
Product description
A simple device for counting and basic arithmetic. The Abacus is among the first calculating devices ever used. Consists of a wooden frame with 5-U shaped steel wires. Make developing number skills fun for young students.