3. What’s Inside a Rattlesnake Rattle? – What’s Inside
The What’s Inside channel started out as a 2nd-grade project where a man and his young son cut into sports balls to see what was inside of them but then it rapidly escalated from there to see what was inside various different objects from the every day to the extraordinary. With nearly 60 million views, the video of them dissecting a rattle from a rattlesnake really had people interested.
Given that rattlesnakes are deadly animals that you don’t often see, its educational feature and intrigue obviously led a lot of people to want to find out what is inside a rattlesnake rattle.