https://www.skillshare.com/classes/Rain-Stop-VFX-for-Beginners-to-After-Effects/868010225

In this After Effects class we are going to learn visual effects by creating Rain Stop effect. This tutorial is great for Beginner level as also for any level because it shows how to create this VFX shot NOT using expensive Trapcode Particular plugin. This is a great way to introduce yourself to After Effects, or learn few skills if you already familiar with this software.