Safest youtube channels for kids age between 3 and 5

Some popular and safe YouTube channels for children between the ages of 3 and 5 include:

Sesame Street

Little Baby Bum

Peppa Pig

Curious George 

Blippi

ChuChu TV

Geckos Garage

Cocomelon - Nursery Rhymes

Go Buster

Kids TV - Nursery Rhymes And Baby Songs

Please note that it is always a good idea to supervise children while they are using YouTube or any other online platform. Additionally, it's important to be aware of the content that your child is watching, as videos can be added or removed from a channel over time.