- Christmas Tree LED Flash Kit 3D DIY Electronic Learning Kit
- Flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile.
- You can find products here: 
In VietNam : https://goo.gl/u5Kuht
In BangGood: https://goo.gl/PKFsJ8


https://www.youtube.com/watch?v=2RhAzO7iG7k