1.This set of digital train toy、 can be used for teaching children number and colors while playing or running those trains.2.The baby can have a preliminary understanding about the basic characteristics of the train.3.Flexibility exercises for fingers、and exercise the child's mathematical concepts in fine motor sensitive period and sensitive period.Specification:1.Easy to assemble.2.Includes 0-9 colorful figures、 train heads and tails stand on the wooden train with 4 sliding wheels.3.A great gift for your kids or someone speical.4.Package Size: 17.5 * 10 * 7.5CM (each number train)5.Material: Wood IncludedPackage includes:1 set of digital train toy