Made of natural wood the cut parts are precise smooth and free of burrs and can be easily removed from plywood Instructions for use are explained and pictures are attached to assist in construction. All contents in the kit are clearly marked and labeled to make the assembly process as pleasant as possible Manufacturered by ZJH. The wooden puzzle kit is not only fun but also can exercise children's hand-eye coordination ability logical thinking ability practical ability and so on. Good gifts for boys and girls. Ideal for birthday and Christmas gifts. Your child will be pleasantly surprised. After assembly your child will be eager to show this wonderful work to family classmates or friends. This DIY wooden handicraft kit contains 182 pre-cut wood chips that need to be assembled by yourself. The whole process takes about 2 hours.