DIY Christmas Tree Organizer PCB Board Kit

This STEM DIY learning kits with the Xmas tree shape after assembled them are not only season gifts and decorations but also soldering projects designed for electronic lovers students and beginners to practice electronic knowledge and soldering skills These DIY soldering practice kits with Xmas tree shape after assembled. There are 3-color 36pcs LED diode divided into four groups and each group has different flashing frequencies when four groups flash together it looks like a small Christmas tree please watch the vedio in the last picture to make a sence of finished work which is so beautiful and interesting as the decorations in room. Manufactured by Organizer. These 3D Xmas tree assemble kits are not only creative gifts beautiful decorations but also electronic learning kits designed to practice beginners' electronic knowledge and soldering skill they are perfect for school basic electronic and STEM educational projects. The flash Christmas tree kit consists of a combination of three circuit boards the user through their own welding assembly so that the 36 LED alternating flashing in the space of a Christmas tree in the outline of the three-dimensional (night environment to see better). English user manual [pdf] are detailed to help user learning please download it from the link http://attach01.oss-us-west-1.aliyuncs.com/IC/DIY-Manual/7212.pdf