
Engineering Payback
Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.

Part 3! Mark's upgraded the Glitterbomb again, to better defend holiday gifts from porch pirates.

Mark built the world's largest coin spinner! Here's how he did it.

Mark spent 3 years building the fastest puzzle-solving robot known to man!

Mark uses science to find the loudest possible way to cheer on your team!

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 proves it is possible to win "impossible" carnival games with science!

Mark built the world's smallest NERF gun, and the outdid himself 4 more times.

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.

Mark challenges Preston to a series of challenges to see who can take home the CrunchLabs Cup!

Mark challenges Adley to a series of challenges to see who will take home the CrunchLabs Cup!

Part 4! It's up to Mark to defend the holidays from package thieves, once again.

Mark makes the squirrels in his backyard work for a free meal!

Can Mark's squirrels beat his upgraded obstacle course?

Mark details his favorite project from his time at NASA - putting a rover on Mars!

Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)

Mark uses the science of air pressure to make sand act like a liquid.

Mark built a dartboard that makes it impossible to miss!

Mark takes on Ninja Kidz in a series of classic mini-game challenges!