Lego

https://www.youtube.com/watch?v=XGGjFE1i2i8&feature=youtu.be

Custom toolbar

http://lesterbanks.com/2017/07/kbar-create-custom-toolbar-effects/

Rigging Tools

https://rainboxprod.coop/en/tools/duik/

https://www.lynda.com/DUIK-tutorials/After-Effects-Duik-Rigging-Animation-Tools/492721-2.html

http://ukramedia.com/useful-tricks-in-after-effects-you-may-not-know-about/

http://lesterbanks.com/2017/07/rig-car-turn-effects-duik/

Flag waver

https://krikienoid.github.io/flagwaver/

Waveform on a path

https://www.premiumbeat.com/blog/create-audio-reaction-effects/