Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
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Can Mark's squirrels beat his upgraded obstacle course?
Mark built the world's smallest NERF gun, and the outdid himself 4 more times.
Mark challenges Colin Furze to a competition that brings Splatoon into the real world.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark took a field trip to Disneyland to prove the power of lasers!
Mark built a 7 foot long Super Soaker and set a world record!
The CrunchLabs team competes to see who can carve & engineer the most impressive jack-o'-lantern
Mark uses 200 wallets to test the honesty of cities across the US & Canada.
Mark & Kevin (The Backyard Scientist) explore the science behind barehanded bottle opening hacks.
Mark makes the squirrels in his backyard work for a free meal!
Mark challenges Adley to a series of challenges to see who will take home the CrunchLabs Cup!
Mark gets introduced to a new delivery drone changing (and saving) lives.
Mark challenges Preston to a series of challenges to see who can take home the CrunchLabs Cup!
Mark shares 5 tricks to help you ace your next egg drop competition.
Mark built a giant, world-record-setting, NERF gun!
Mark built an air horm large enough to shatter glass
Mark built a dartboard that makes it impossible to miss!
Mark spent 3 years building the fastest puzzle-solving robot known to man!
Mark uses everyday objects to see what he can make float in mid-air.
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!
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