Material: Toy building blocks are made of high quality hardwood, hard, durable and not easy to deform. Features: The surface of the building blocks is polished and polished to ensure that the edges are smooth and burr free, and will not scratch children's fingers. Design: Blocks are designed in a variety of geometries and different sizes for children to stack, splice and build. Educational: By playing with blocks, children can learn about shapes, colors, sizes, and spatial relationships, while exercising hand-eye coordination and problem-solving skills. Date First Available January 2, 2025