This acrylic Christmas tree is a cool DIY project for the holiday decoration. The Christmas tree is made of 3 pieces of PCB shape, and in order to conform the Christmas holiday theme, the PCB add some different & funny Christmas patterns to increase the festival spirit. A total of 37pcs colorful LED are distributed evenly across the Christmas tree, and by a MCU to control the LED display .There is a small switch on the base that opens the switch to work, and closes to turn off the light .Features:8 kinds of colorful LED display effect. A great DIY Christmas gift for electronic enthusiast and DIY enthusiast.With some funny Christmas patterns on the PCB.All using DIP components to solder, easy to make and suitable for beginners.Installation Method:You will get a bulk DIY kit, all components need to be soldered by yourself. fixed with screws. Provide with installation instructions. Tips: Acrylic shell is not included and no music.Specifications:Color: GreenMaterial: Acrylic Board + PCB Board + Electronic ComponentsLED Quantity: 37pcsLED Light Color: 7 ColorPower Supply: 2 * 1.5V AA Battery (NOT Included)Package Size: 16 * 11 * 3.5cm / 6.30 * 4.33 * 1.38inPackage Weight: 100g / 3.5oz Package List:1 * DIY Christmas Tree Making Kit (Acrylic shell is not included)