LED Christmas Tree - Learn To Solder Kit

This LED Christmas Tree kit is a fun, beginner-friendly soldering project that uses through-hole components for easy assembly. All parts are clearly labelled on the PCBs, making it a great introduction to soldering for makers of all ages.

The assembled tree features 37 white LEDs across three PCB panels that slot together into a 3D tree shape. Power it via three AA batteries or the included USB cable for a festive desktop decoration you built yourself.

Key Features

• Learn-to-Solder Kit – Through-hole components with clearly labelled PCBs
• 37 White LEDs – Flashing LED circuit across three PCB panels
• 3D Tree Design – Three PCBs slot together into a standing tree shape
• Dual Power Options – 3× AA batteries or USB cable (both included)
• Compact Size – 60 × 136 × 60 mm assembled

Specifications

• Model: CTR-30C
• Operating Voltage: DC 4.5–5V
• Power: 3× AA batteries or USB cable
• Assembled Size: 60 × 136 × 60 mm

Ideal For

• Beginners learning to solder
• STEM education and workshops
• Festive desk decorations
• Gifts for young makers and electronics enthusiasts

Package Contents

• 3× PCBs (CTR-30A, CTR-30B, CTR-30C)
• 37× 3 mm White LEDs
• 6× S9014 Transistors (TO-92)
• 6× 1 kΩ Metal Film Resistors
• 6× 10 kΩ Metal Film Resistors
• 1× 2.2 kΩ Metal Film Resistor
• 6× 47 μF 16V Electrolytic Capacitors
• 1× Self-Locking Switch
• 1× 3.5 mm DC Power Socket
• 1× 3× AA Battery Box
• 1× USB to DC 3.5 mm Cable (80 cm)
• 2× M2 × 8 mm Screws
• 2× M2 Nuts