• 【 A Cool Christmas Gift 】 This christmas tree needs to be welded by yourself. This is a very unique christmas tree (rotating, flashing colored lights, welding exercises, and music playback). Choosing it as a gift will bring a surprise to your family, friends, classmates, and teachers etc.
• 【 A Variety of Flashing Led Lights 】 Colorful led lights (37PCS/3MM) + blue lights flashing (18PCS/5MM), Two types of lights, multiple RGB colors flash alternately at night,Bring you a dreamlike feeling.
• 【 A Funny Electronic Exercise Kit to Improve DIY Ability 】 You can easily read the user manual for installation. This kit exercises circuit PCB soldering under the guidance of adults or teachers to help students or your children improve their soldering ability and learn physics knowledge, and enhance their DIY ability.
• 【 Electronic Practice Project for Beginners and Students 】 The base of this christmas tree can rotate, and it will automatically rotate and play music after power on. Suitable for adults and children to complete this funny project together.
• 【 Wired Work with USB Cable 】 This kit contains a USB cable, which can be powered by a charger, a mobile power bank or the USB port of a computer. Working voltage: DC4-5.5V

Product Description

Important Tips: Users do not need to install the buzzer if not needed. Because it will keep playing music and cannot be stopped.

RGB Music Christmas Tree DIY Kit
Work Voltage:DC 4.0V~5.5V
Work Current:500mA
Power Type:DC005 5.5*2.1mm Power Socket
Color:RGB LED
Work Temperature:-40℃~85℃
Work Humidity:5%~85%RH
PCB Board Size: 2.3*5.3 Inch
Size(Installed):2.5*2.4*7.5 Inch

Package List:
A Board x1
B Board x1
Rotating (Up) PCB Board x1
Rotating (Middle) PCB Board x1
Rotating (Base) PCB Board x1
M3*25 Double Pass Copper Pillar x4
M3*10 Double Pass Copper Pillar x5
M3*10 Screw x6
M3*6 Screw x15
M3 Screw Nut x4

5MM LED Blue/White x20
3MM RGB LED x40
22UF 25V Electrolytic Capacitor x10
9014 Triode x7
8050 Triode x2
47K x10
100Ω x8
100K Resistance x1
30K Resistance x1
20K Adjustable Resistance/ Horizontal x1
BJ1522 Music IC x1
104 Ceramic Capacitor x1
8P IC x1
LM358 Chip x1
Passive Buzzer x1
Geared Motor x1
DC005 Seat x1
DC005 Cable x1
Small Spring x3