1.DIY wooden kids toy, with math number of building blocks.
2. it can help kids finish easy math calculation,practise kids and increase kids' interest of math subject.
3.High gloss and beautiful finish,eco-friendly quality apply to European Union and American standard

4.OEM&ODM design is available, please don't hesitate to inform us if you have any novelty ideal, our R&D team will help you to accomplish it.