This is a DIY soldering practice project. You need to use a soldering iron to manually solder the electronic components. After completing the soldering and assembly, you will a cool clock/small alarm clock The electronic clock has an alarm function. You can set the alarm timing for hours, minutes, and seconds. As a clock, it has 13 kinds of exquisite and cool led animation effects, which the movement of the clock The electronic clock has a photoresistor and a temperature control sensor, which can be set to turn on/off the light control function and display/turn off the temperature This is also a great gift choice for family or . They will definitely appreciate your heart. At the same time, parents can also instruct their children how to weld through the electronic welding kit Colour:black Material:plastic+metal+acrylic Package Contents: 1 x Electronic Alarm Clock Soldering Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.