Description: Bluetooth Music DIY: Learn soldering skills and your own Bluetooth music Christmas tree with 36 flashing LEDs for a beautiful holiday atmosphere LED Lights Fun: Enjoy hands-on creativity with this rotating Christmas tree kit, featuring a Bluetooth module for up to 20 meters of linear transmission distance Electronic DIY Kit: Enhance your DIY skills with this 3D Christmas tree welding practice set, for circuit board soldering teaching and training Creative Learning Experience: Build your own electronic entertainment kit with this DIY speaker production set, designed for strong DIY fun and easy learning Unique Christmas Decor: Make your own 3D Christmas tree LED kit with this fun and educational circuit board soldering practice kit, for DIY enthusiasts Specification: Color: As Shown. Material: ABS. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Style 1:1 straight loose parts+Bluetooth module+shell - DIY kit for red, yellow, and green lights Style 2:1 set of straight loose parts+Bluetooth module+shell - DIY kit for colorful lights Style 3:1 set of curved parts+Bluetooth module+shell - DIY kit for red, yellow, and green lights Style 4: 1 set of curved parts+Bluetooth module+shell - DIY kit for colorful lights