Description: Math learningWooden Math Number Block, Recognize the numbers 0 to 5; practice sorting and understand the relationship between numbers and quantities; learn Simple addition and subtraction operations.PreschoolWooden Stacking Rings, Carry out classification, collection, decomposition and quantitative learning.Number CountingThis teaching aid is a pre mathematics teaching aid. Before the formal introduction of numbers 1-10, children can practice and master the increasing order of numbers 1-5 on their own.EducationalMontessori Math Manipulatives Toy can help attract attention, and improve visual perception, eye tracking and coordination.Great giftCounting and Manipulative Toy is Great early math educational toy and great gift for kids preschoolers. Size Chart: 26.5cmx5.5cmx1.5cm/10.43inchx2.17inchx0.59inch Package Includes: 1Wooden Math Number Block1 blue Bead2 GreenBead3 yellowBeads4 orangeBead5 redBead Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.