Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
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Mark spent 3 years building the fastest puzzle-solving robot known to man!
Mark built a 7 foot long Super Soaker and set a world record!
Mark challenges Preston to a series of challenges to see who can take home the CrunchLabs Cup!
Mark takes on Ninja Kidz in a series of classic mini-game challenges!
Mark got introduced to one of the most advanced wheelchairs in the world.
Mark demonstrates the relative scale of the planets using a host of household objects.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Can Mark build a batter battle-ready robot than the guys from Dude Perfect
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark uses everyday objects to see what he can make float in mid-air.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark shares 5 tricks to help you ace your next egg drop competition.
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!)
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.
Mark tests his pet octopus' survival skills & puzzle-solving abilities
Mark gives his neighborhood crows the ultimate test of their intelligence.
Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
Mark built the world's smallest NERF gun, and the outdid himself 4 more times.
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