
Amazing Animals
Can Mark's squirrels beat his upgraded obstacle course?

Can Mark's squirrels beat his upgraded obstacle course?

Mark built an app to became a Baseball oracle.

Mark de-mystifies 7 scientific mysteries you never knew you didn't know!

Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.

Mark & Jesser compete using the world's largest Nerf crossbow!

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

Mark learned the truth about bed bugs and it's time for you to know!

Mark built a giant, world-record-setting, NERF gun!

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

Mark sets out to discover if someone would sink or float if they swam in a pool filled with water balls.

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

Can Mark safely drop an egg from space without it cracking from the fall?

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

Part 5! Porch pirates aren't the only ones who need to fear the Glitterbomb now.

Mark built the world's largest Frisbee launcher! Here's how he did it.

Mark's here to help you win your next Moustrap Car race.

Mark added rockets to a golf club to improve his game.

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