About This

• Montessori sensory teaching aids binomial and trinomial, suitable for children over 3 years old
• Develop children's visual ability, build cube wood blocks, and make children understand more easily through intuitive display
• Prepare for the binomial and trinomial learning of mathematics and cultivate the ability of thinking in Mathematics
• Lay the foundation for the study of square root and prepare for the mathematical algebra of senior students
• High quality wood, no smell, no burr, protect baby's hands