Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
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Mark shares 7 tips and tricks to take your Pinewood Derby car to the next level.
Mark shares the easy and awesome way to bring a glow wall into your home!
Mark built a dartboard that makes it impossible to miss!
Mark built an app to became a Baseball oracle.
Mark built a giant, world-record-setting, NERF gun!
Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.
Mark challenges Adley to a series of challenges to see who will take home the CrunchLabs Cup!
Can Mark safely drop an egg from space without it cracking from the fall?
Mark attempts to beat a world record, and surprise a very special fan!
Mark's here to help you win your next Moustrap Car race.
Mark built the world's smallest NERF gun, and the outdid himself 4 more times.
Mark takes on Ninja Kidz in a series of classic mini-game challenges!
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.
The grand finale! Are lasers really the most destructive thing Mark can get his hands on?
Mark wanted to know what it would be like to to bounce on a trampoline with 1,500 water balloons, so he built it, filmed it, and put it in slow mo!
Mark explores if it's possible to charge a car using lemons as a battery.
Mark uses the science of air pressure to make sand act like a liquid.
Mark de-mystifies 7 scientific mysteries you never knew you didn't know!
Mark & Jesser compete using the world's largest Nerf crossbow!
Mark challenges Colin Furze to a competition that brings Splatoon into the real world.
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