Revolutionary Open Closed Sign Board – Simply rotate the handle to switch between "Open" and "Closed" with a unique mechanical motion. Features creative typography and a functional gear mechanism. High Quality Material – The open and closed signs are crafted from selected wood. Precision-cut parts are carefully assembled to create a durable and distinctive design. Smooth edges ensure safety with no sharp points or brittleness. Convenient and Clever Design – Rotate the handle to seamlessly interchange "Open" and "Closed." Fun, practical, and easy to operate, this sign is sturdy enough for daily use. Offers both standing and hanging options for versatile placement. Combines Art and Functionality – This sign doubles as an engaging decorative piece that appeals to both adults and children. Its intricate structure provides visual fascination and mechanical satisfaction. Also serves as an educational tool, helping children learn the basics of gear mechanisms through hands-on interaction.