This is Dom he's a friendly little robot that's super good at only one thing setting up a butt ton of dominoes really really fast.
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Mark shares the easy and awesome way to bring a glow wall into your home!
Mark & Kevin (The Backyard Scientist) explore the science behind barehanded bottle opening hacks.
Mark sets out to discover if someone would sink or float if they swam in a pool filled with water balls.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark proves it is possible to win "impossible" carnival games with science!
Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.
Part 1! Mark makes his first stand against package thieves.
Mark developed an almost foolproof method to beat anyone at Guess Who.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark's built a lot of things at CrunchLabs, and these are 10 of his favorites.
Mark built the world's largest coin spinner! Here's how he did it.
Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
Mark uses his engineering skills to re-live his childhood Wiffle Ball dreams.
Can Mark's squirrels beat his upgraded obstacle course?
Mark walks you through 10 of his favorite science fair experiments.
Mark built an app to became a Baseball oracle.
Mark & Jesser compete using the world's largest Nerf crossbow!
Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.
Mark learned the truth about bed bugs and it's time for you to know!
Mark dropped a car on the world's largest trampoline to test the limits of mechanical engineering!
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