1 material: American Douglas fir, which has better feel and texture.
2. The surface is brushed and polished, which is convenient for children to build.
Coating: It adopts acid-resistant, corrosion-resistant, waterproof and weather-resistant acrylic coating, which meets the zero VOC standard of the US Environmental Protection Agency, and contains no harmful substances such as lead, mercury, benzene and formaldehyde, and is non-toxic and tasteless.
Accessories: large quantity, simple shape, so that children's thinking is completely unrestricted. Because of the great differences in specifications and sizes, children can actually perceive a series of factors that are beneficial to the healthy development of children, such as the weight, thickness, thickness of objects, the relationship between quantity and quantity, and the relationship between shape and space.