Unveil the mysteries of the cosmos with the Robotime ROKR Starry Night 3D Wooden Puzzle. This exquisite model is a solar system-inspired replica of an antique orrery, designed to challenge and delight. Featuring colorful rotating acrylic stars set within a sophisticated circular design, it becomes a captivating kinetic art piece. More than just a puzzle, it's a fully functional mechanical gear music box. Wind it up with the included T-shaped key to set the solar system in motion, accompanied by enchanting music. Crafted from high-quality, pre-cut plywood and vibrant acrylic with non-toxic coatings, this kit is a rewarding STEM project. It enhances logical thinking, patience, and hand-eye coordination, making it a perfect family activity or a thoughtful craft gift for adults and teens aged 14 and up. Once assembled (measuring 13.5 x 13.5 x 15.5 cm), it transforms into a stunning and unique home or office decoration for any desk, shelf, or bookshelf. Please note: this kit contains small, sharp parts and requires adult supervision during assembly. It is not a toy for young children. Powered entirely by manual winding, it requires no batteries. Handle with care and enjoy this beautiful fusion of art, science, and mechanics.