Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
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Mark took a field trip to Disneyland to prove the power of lasers!
Part 2! Mark found how he could improve his designs to make the Glitterbomb better than ever.
Mark de-mystifies 7 scientific mysteries you never knew you didn't know!
Mark's built a lot of things at CrunchLabs, and these are 10 of his favorites.
Mark got introduced to one of the most advanced wheelchairs in the world.
Mark built an air horm large enough to shatter glass
Mark developed an almost foolproof method to beat anyone at Guess Who.
Mark details his favorite project from his time at NASA - putting a rover on Mars!
Mark built a giant, world-record-setting, NERF gun!
Can Mark safely drop an egg from space without it cracking from the fall?
Mark shares the easy and awesome way to bring a glow wall into your home!
Mark shares 5 tricks to help you ace your next egg drop competition.
Mark challenges Preston to a series of challenges to see who can take home the CrunchLabs Cup!
Part 4! It's up to Mark to defend the holidays from package thieves, once again.
Mark attempts to beat a world record, and surprise a very special fan!
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Can Mark's squirrels beat his upgraded obstacle course?
Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
Mark tests his pet octopus' survival skills & puzzle-solving abilities
Can Mark's squirrels beat his upgraded obstacle course?
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