Mark Rober

SKIN A WATERMELON party trick

Mark Rober



How to Survive a Grenade Blast

Mark Rober



25 MILLION Orbeez in a pool- Do you sink or float?

Mark Rober



Liquid Sand Hot Tub- Fluidized air bed

Mark Rober



World's LARGEST SUPER SOAKER!! (not clickbait)

Mark Rober



1st place Egg Drop project ideas- using SCIENCE

Mark Rober



How to measure HOW MUCH PEE IS IN YOUR POOL

Mark Rober



NICEST Car Horn Ever- DIY

Mark Rober



Snowball Machine Gun- How to make

Mark Rober



World's LARGEST NERF GUN!!

Mark Rober



iPhone ATM PIN code hack- HOW TO PREVENT

Mark Rober



CARNIVAL SCAM SCIENCE- and how to win

Mark Rober



Scooby Doo Surveillance Cam (w/ 2 iPhones)

Mark Rober



1st place Mousetrap Car Ideas- using SCIENCE

Mark Rober



EASY Pinewood Derby Car WINS using Science!!!

Mark Rober



ARCADE SCAM SCIENCE (not clickbait)

Mark Rober



SKIN A WATERMELON party trick

Mark Rober



How to Survive a Grenade Blast

Mark Rober



25 MILLION Orbeez in a pool- Do you sink or float?

Mark Rober



Liquid Sand Hot Tub- Fluidized air bed

Mark Rober



World's LARGEST SUPER SOAKER!! (not clickbait)

Mark Rober



1st place Egg Drop project ideas- using SCIENCE

Mark Rober



How to measure HOW MUCH PEE IS IN YOUR POOL

Mark Rober



NICEST Car Horn Ever- DIY

Mark Rober



Snowball Machine Gun- How to make

Mark Rober



World's LARGEST NERF GUN!!

Mark Rober



iPhone ATM PIN code hack- HOW TO PREVENT

Mark Rober



CARNIVAL SCAM SCIENCE- and how to win

Mark Rober



Scooby Doo Surveillance Cam (w/ 2 iPhones)

Mark Rober



1st place Mousetrap Car Ideas- using SCIENCE

Mark Rober



EASY Pinewood Derby Car WINS using Science!!!

Mark Rober



ARCADE SCAM SCIENCE (not clickbait)

Mark Rober