This is a perfectly designed DIY kit that requires your hands-on work to complete. The whole set is extremely well designed, with very tight tolerances and good machining. The interlocking mechanisms are pretty ingenious. Details are already cut and ready to assemble. The wood is beautiful and smooth. With Laser Cutting Technology, the pieces are easy to remove from the sheet of plywood, the laser cutting is precise and clean (no residue smoke burns). The pieces go together smoothly and with step-by-step visual instructions. This is the best Choice for Gifts. It also can be used as the Study materials of Handicraft class in school. What you will accomplish is a very beautiful and unique artwork!