assembly 2-in-1 Mechanical Tarantula Scorpion 3D Puzzle Model Bluetooth Speaker Features: Two Models Choices: You can assemble it as a war scorpion, or as a tarantula. One of the two choices, two shapes can not be assembled at the same time, either way, also you can use your existing parts to DIY other shapes to create your own unique model. Bluetooth Speaker: The joints are movable, and the belly of the mechanical tarantula is a subwoofer sound (built-in 1800mah lithium battery), which can be connected to the phone via Bluetooth or inserted into the TF memory card to play music Educational & Cool Toys: It's a unique mechanical 3D metal puzzle, creating a hand-held miracle play world for kids or adults, which is full of entertainment and knowledge for all ages. DIY Craft Kits: It is a challenging and puzzle with fun, coming in pieces, requiring assembling with great patience and observation, costing about a few hours to complete. It comes with instructions, no need for glue or battery, just put it together with the screws. Easy Assembly: No need for glue, just connect by screws according to the assembly drawing. Electronic manual, provided by U disk. Amazing details and wonderful DIY experience. After assembly, the size is about 30 x 25 x 13cm Perfect Gift Ideas: An ideal choice for birthday gifts, Valentine's gifts, Thanksgiving gifts, Christmas gifts, or for other special occasions. Meanwhile, it can be used for decorations or ornaments in the living room, bedroom, coffee house, etc. It's the best choice for people who like crafts and hobbies. Recommend Age: Suitable for adults and kids over 14 years old. Attention: 1. Small parts included, kindly keep it away from little kids before installation.2. The edges of the product are sharp, so don't play with the baby to avoid injury. Please take care while assembling. Specifications:.Color: As Shown.Material: Stainless Steel + Iron + Copper.Audio parameters: Speaker 2.1 Stereo.Output Power: 3-10W.Battery: 1800mah polymer battery.Charging Time: 2 hours.Frequency Response: 120Hz-20kHz.Signal to Noise Ratio: > 80db.USB Specification: USB2.0 Compatible with USB1.1.Product Dimensions: 30 x 25 x 13cm.Product Weight: 2018g.Package Dimensions: 25 x 12 x 10cm.Package Weight: 2268g.Packing: Storage CasePackage Content:.1 x Assembly Model Kit.1 x USB Charging Cable.1 x Screwdriver.1 x Needle-nose Pliers.1 x Mini Sleeve .1 x Electronic usb flash drive manual,