1Use high-quality logs for production, which can maximize the effect of considering the thermal expansion and contraction space of logs under different moisture content and air-dry density conditions 2Using German lasers cutting technology, the puzzle error is small, the cutting lines are clear and easy to cut 3All jigsaw parts fit in the bottle, and the bayonets fits tightly 4The high-quality logs used are colorless and tasteless, in line with international standards, safe and healthy 5The process of product reproduction has been frosted and slipped. When disassembling and assembling, it is safe and effective without cutting hands.