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Watch :3 28:18
Lasers vs Lightning- Which Is More Powerful?
13M views • 1 week ago Mark Rober
Watch :3 19:17
My Rock, Paper, Scissors Robot Never Loses (+9 Other Inventions)
20M views • 3 weeks ago Mark Rober
Watch :3 17:31
Engineers vs Pumpkin Carving
3.7M views • 1 month ago CrunchLabs
Watch :3 10:37
4,000 Mouse Trap Chain Reaction- Camp CrunchLabs Week 3
654K views • 5 months ago CrunchLabs
Watch :3 37:41
Mind Blowing Illusions!- Camp CrunchLabs Week 4
676K views • 5 months ago CrunchLabs
Watch :3 14:29
Liquid Nitrogen Explosions w/ Ninja Kidz!- Camp CrunchLabs Week 9
1.4M views • 3 months ago CrunchLabs
Watch :3 19:00
Mark Rober vs Dude Perfect- Ultimate Robot Battle
33M views • 2 months ago Mark Rober
Watch :3 12:15
5 Easy At Home Science Experiments w/ Mark Rober
509K views • 3 days ago CrunchLabs
Watch :3 26:20
Kai Cenat & Mark Rober Try EXTREME Science Experiments!
128K views • 3 hours ago Kai Cenat Live
Watch :3 09:54
Mark Rober Reacts to Kids Genius Inventions
749K views • 1 month ago CrunchLabs
Watch :3 21:21
My Puzzle Robot is 200x Faster Than a Human
23M views • 4 months ago Mark Rober
Watch :3 00:18
Kai Cenat Does Elephant Toothpaste Science Experiment Ft. Mark Rober 🤣
11K views • 3 hours ago Snickerly
Watch :3 23:15
Backyard Squirrelympics 3.0- The Summer Games
38M views • 2 years ago Mark Rober
Watch :3 05:45
Fake Mark Rober Prank (FIRST Championship)
1.6M views • 2 months ago CrunchLabs
Watch :3 10:53
Carnival Scam Science (and how to WIN)
112M views • 7 years ago Mark Rober
Watch :3 10:21
Building REAL LIFE Mario Karts At CrunchLabs
1.7M views • 8 months ago CrunchLabs
Watch :3 00:56
The REAL Truth Behind the DVD Logo
63M views • 1 month ago Mark Rober
Watch :3 17:57
Dude Perfect vs Mark Rober: Battle Bots
6.3M views • 2 months ago Dude Perfect
Watch :3 03:18
World's Largest Nerf Gun
48M views • 8 years ago Mark Rober
Watch :3 01:20
xQc Reacts to Kai Cenat doing Science Trick with Mark Rober
3.5K views • 2 hours ago xQc Clips

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