Mechanical 3D DIY Steampunk Butterfly Metal Model Building Kits with Music BoxFeatures:.Portable Power: No need to stress about power. This model features a Type-C interface for convenient charging and a built-in lithium battery with an impressive 10-hour life. Take it anywhere without worrying about finding a plug!.Premium Metal Switch: The mechanical switch, crafted from premium quality metal materials, offers a smooth and satisfying operation. Precision-engineered, it ensures stability and durability, making every interaction a pleasure..Sleek Acrylic Base: The butterfly rests on a sleek black acrylic base, which not only enhances its beauty but also provides excellent stability. Watch as the wings flap gracefully, creating an elegant and harmonious display..Exquisite Mechanical Transmission: This model showcases exquisite mechanical craftsmanship. Each part and accessory fits together with precise mechanical transmission, creating a mesmerizing display of moving parts..Melodic Music Box: Turn on the switch and enjoy the beautiful music that accompanies the flapping wings. The built-in music box transforms this model into a multisensory experience, combining visual and auditory delight..Perfect Gift Idea: This dynamic mechanical butterfly model is perfect for friends, family, or partners. It conveys deep affection and provides long-lasting joy and beautiful memories.Specifications:.Material: Metal.Color: Red.Assembly Difficulty: Simple.Assembly Time: Around 1 hour.Number of Parts: 300+PCS.Product Weight: 420g.Package Weight: 590g.Product Dimensions: 8 x 8 x 22cm.Package Dimensions: 10 x 10 x 13cm.Packing: Box.Ages: 16+