Ábaco chinês de madeira com 15 colunas, antiderrapante, ferramenta educacional para aprendizado de matemática para alunos e professores.

Package includes: 1 piece of Wooden Abacus The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Name: 15 Column 5-bead High-end teaching Aid Dimensions :81.5x33x5cm Material: Wooden frame, eco-friendly ABS abacus beads Features: Non-slip beads/hanging type/Support frame Applicable to: Teachers in schools and training tutorial classes