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Features: 8 kinds of colorful LED display effect. Shining LED Christmas trees with 8 kinds of Christmas music. 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. Specification: Color: As picture shows Material: Acrylic Board + PCB Board + Electronic Components LED Quantity: 37pcs Light Display Effects: 8 Kinds LED Light Color: 7 Color Christmas Music: 8 Kinds Power Supply: 2 x 1.5V AA Battery (NOT Included) PCB Size: 60 x 60m Item Size: 71 x 71 x 150mm Package Size: 16 x 11 x 3.5cm / 6.30 x 4.33 x 1.38in Package Weight: 120g / 4.23oz Package Included: 1 x DIY Christmas Tree Making Kit