Kids YouTube Kit by tesla-motion-x on CGguy
https://elements.envato.com/kids-youtube-kit-G4T836F
Free 
Glitch Titles Sequence by edum on CGguy
https://elements.envato.com/glitch-titles-sequence-2QERW43
Free 
Social Media Lower Thirds by monstrKesha on CGguy
https://elements.envato.com/social-media-lower-thirds-VPBKJ3C
Free 
Kid’s YouTube Vlog by MotionMediaGroup on CGguy
https://elements.envato.com/kids-youtube-vlog-75K66KV
Free