* Brown Black Bead School Calculation Japanese Soroban Wood Abacus* Can be used as a classical calculation tool in office， an educational tool for teachers and a good gift for students， abacus collectors or lovers* With painted wood frame， the abacus is durable and colourfast* Brown and Black painted plastic beads make the soroban full of primitive simplicity odour and collection value* Designed with a restore bar at the bottom to reset the beads wiht a light push as you need.* Color : Wood Color (Frame)，Brown and Black (Bead) * Weight : 261g * Package Content : 1x Mini Soroban