WORK ON YOUR SOLDERING SKILLS: 3D Christmas tree DIY soldering kit is designed for people OVER 15 years old, aimed at improving users' electronics knowledge and soldering skills. It is perfect for After School Program and STEM education. You will need a set of soldering tools(not included in the product) such as electric iron, solder wire and so on, to finish the assemble and soldering process.

RGB LED LIGHTS: The solder practice kit will become a beautiful flashing Xmas tree when assemble complete. 36PCS RGB LED diodes will make a bright, colorful and wonderful light at night. Not only for practice, the tree can also be a creative present and nice decoration, especially in Christmas.

POWER MODE: DC 4.5V-5V working voltage can be powered by 3 x AA batteries or USB power adapter directly (Comes with the battery holder and USB cable).

CLEAR MARK: The components name are well marked on the PCB board so you can easily find where the component should place.Detailed English user manual and responsive service team, enable the assemble process easier for soldering beginners and electronic learners.

CAREFULLY CHECK: If some leds don't light, please make sure all components are in right direction and correct place. Please check if there are some solder points are in poor connection, which is very important when testing.