KC certified scientific professional learning special assembly block set ECO master block set 152 blocks

Please check before purchasing. 1. This is a product that has been purchased from an official seller or has been certified as an official product. 2. All prices are for individual items except for the option name set. 3. In the case of a renewal product, the package before and after renewal will be shipped randomly. The contents (ingredients/capacity) are the same product. 4. When returning, a full unboxing video (no pause, screen change, etc.) is required, and random gift items cannot be returned for any reason. Product name and model name: KC certified assembly block set Brand: Country of manufacture: Korea