Diy Building Block Set

More Than 40 Ways To Play, Unlimited Fun Building Block Steam Education (S-Science, T-Technology, E-Engineering, A-Art, M-Math) The First Stage-Understanding Of Simple Daily Shapes, The Second Stage-Understanding Of Structural Principles, The Third Stage-Imagination Creates More Possibilities Various Shapes, The Transformers Of The Building Block World, Both A Ride-On And A Diy Building Block Has Design Patent And Understands The Needs Of Baby'S Growth Preferred Pp Material, Thickened And Wear-Resistant, Safer