Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
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Mark explores if it's possible to charge a car using lemons as a battery.
Mark explains the science behind grenade blasts. Take his word on this one, don't try this at home.
Mark built the world's largest coin spinner! Here's how he did it.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark & Kevin (The Backyard Scientist) explore the science behind barehanded bottle opening hacks.
The grand finale! Are lasers really the most destructive thing Mark can get his hands on?
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!)
Mark challenges Preston to a series of challenges to see who can take home the CrunchLabs Cup!
Can Mark build a sattelite worthy of space travel?
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!)
Mark built a 7 foot long Super Soaker and set a world record!
Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.
Mark added rockets to a golf club to improve his game.
Mark shares the easy and awesome way to bring a glow wall into your home!
Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.
Mark uses his engineering skills to re-live his childhood Wiffle Ball dreams.
Mark gives his neighborhood crows the ultimate test of their intelligence.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Showing1to20of1917results
