Model Of Universal Music Projection Snail Transparent Gear Features: universal, automatic turning, universal wheel design, turn on the Change, the snail will move on its own, and will automatically turn when encountering obstacles Gear linkage, entertaining and entertaining, using gear transmission device, exploring mechanical principles, different game experience Projection function, clear imaging, easy and interesting patterns, clear imaging, the longer the distance, the larger the, project anytime, anywhere and music, exercise vision and hearing, the tentacles and THE conchhave built-in lights, flashing and dazzling, and music will play at the same, making children more happy to play Round corners are polished, and not scratching hands, no edges and corners, no burrs, and not scratching hands, bringing happy to children and reassuring mom Cute shape, shape, transparent body, intuitive built-in gear dynamics Specification: Material: abs Size: About 9x20x15cm/ 3.5x7.9x5.9in Package List: 1x projection snail toy (The customer shall provide 3 No. 5 batteries, Without battery) Notes: Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks! Due to manual measurement, please allow slight measurement deviation.