It all started when Lincoln had to cut open a sports ball for a school project and they both found it fascinating.
They started opening up bulletproof vests, golf balls, lava lamps and much more to find out what's inside.
Rattlesnakes can be terrifying when they curl up in the grass and make that rattling sound - but have you ever wondered how they do it? What is in the rattlesnake rattle that makes it sound like that? Now you can find out!
It all started when Lincoln had to cut open a sports ball for a school project and they both found it fascinating.
They started opening up bulletproof vests, golf balls, lava lamps and much more to find out what's inside.