Description: Cube blocks are a great substitute for teaching children math. It can be used for various indoor or outdoor family learning activities. The building block set is made of high-quality natural wood, coated with bright and safe water-based paint, and smooth without burrs. It is very suitable for preschool education toys, early development toys, and learning toys. Encourage children to cooperate with friends and build various buildings in turn to develop their communication skills. Features: Product name: Art block logic building block Material: wood Size: Style 1: 18.3 x 18.3 x 3cm/7.2 x 7.2 x 1.18in Style 2: 19 x 17 x 3.7cm/7.4 x 6.6 x 1.4in Packaging: boxed Applicable age: above 3 years old Note: Due to different lighting and screen settings, the product color may be slightly different from the picture. Due to the difference in manual measurement, please allow 1-2cm difference in size. Product List: Style 1: Instructions x 1 Building block suit x 1 or Style 2: Building block suit x 1 Flashcard x 60