Engineering Payback
Mark built 5 robots to beat the 5 most popular arcade games.
Mark built 5 robots to beat the 5 most popular arcade games.
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Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
Part 1! Have you ever wondered if acid can melt things faster than lava can?
Mark built 5 robots to beat the 5 most popular arcade games.
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!
Mark learned the truth about bed bugs and it's time for you to know!
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark built a giant, world-record-setting, NERF gun!
Mark shares 10 foolproof tips, tricks, and techniques to beat any escape room puzzle.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark attempts to beat a world record, and surprise a very special fan!
Mark built the world's largest Frisbee launcher! Here's how he did it.
Mark uses everyday objects to see what he can make float in mid-air.
Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Part 1! Mark makes his first stand against package thieves.
Mark developed an almost foolproof method to beat anyone at Guess Who.
Mark discovers how difficult it is to trick a dog's sense of smell.
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?
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