This Lego tripod Is really useful if you want to make smooth clips, avoid shaky videos and even when you have to capture some really fast movements. It is compatible with most of the common phones because of its elastic phone holder. You should also use this LEGO tripod when you want to make a good timelapse because it stays stuck in the position, you need, because of the pneumatic piston placed opposite the handle.
If you want to build this tripod follow the instructions in this tutorial: