The details vary with goods. Determined by the kind and depth of detail you are seeking, you may better turn to our Customer Service. Some details can be found on the item page. We can assure you that all our Crystal Magnetic Building Blocks are endowed with excellent detail with quality materials and complex technology.
Hangzhou Jinjuyou Technology Company Limited has become a leading multinational manufacturer in magnet tiles toys. JinjuyouTechnology is mainly engaged in the business of magnetic building blocks and other product series. This product is effective in resisting humidity. It will be not easily affected by the moisture that could lead to the loosening and weakening of joints or even failure. Our product has many certification marks, like EN71, CE, ASTM and CPC. The product is able to deliver reliable power for the device used in remote locations that are subjected to extreme environmental conditions. It can allow children to experiment with gravity and magnetic forces.
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