Zerowin Wooden Numbers Arithmatics Bead Abacus Wooden Toys Smling Faces Clock Educational Toys This wooden abacus helps teach math skills, patterning and color recognition Products are all non-toxic, child safe, and of the highest quality Can slide freely and smoothly back and forward on the wooden poles 5 lines include Arithmatics Bead numbers math letters fruits animals learning . Material: High quality wood Brightly painted beads made of solid wood eautiful color,no bad sell, and no harm to baby.size:10.2" *7.2"