I MADE A TENNIS BALL LAUNCHER THAT SHOOTS OVER 100 FEET!

DIY Pet Vacuum Cleaner That Solves ALL Your Shedding Problems!

How Structural Waveform Works | Explained by a Professor & Rebuilt by Us!

We Made Homemade Singing Rijke Tubes!

Make A "Super Shooter" Pocket Slingshot

Digging Up 100 Million Year Old Jurassic Treasure!

Building Your Own Tee Ball Set From Everyday Household Items!

You NEED To Try Out Some Of Our Favorite FOOD HACKS

The Best DIY Projects We've EVER Made!

The Future of The King of Random : A Message From Janae

This Candy Cannon Shoots Candy Over 100 Feet! (Bonus Footage Included)

How To Make 2000ºF Of Solar Power!

Never Buy A New Flashlight AGAIN | The DIY Electromagnetic Flashlight

Mythbusting Home Alone (would you survive?)

The MOST Dangerous Warning Labels?

ICE SWORD (Pykrete) vs 1000 DEGREE GLOWING SWORD

Sodium Metal Knife Was a Bad Idea...

Can a Dryer Cook Thanksgiving Dinner? We Tried It!

Making NAPALM out of LEGOS??

Can you ACTUALLY Break Locks with Wrenches??

SUPER-MATCHES: The ULTIMATE DIY Firestarter (waterproof & windproof)

How to Make Real BALLISTIC GEL (it's easy)

Turn an Ammo Can into a Stove & Heater (no welding!)

DIY Flaming Jack-O'-Lantern for Halloween!

Turn Household Batteries into Pure Oxygen

How to Make a PRO Blowgun & Darts for $10 (best on youtube)

High Voltage VS Human Flesh?! Shocking Experiments with Microwave Transformers!

Easy DIY Stilts: Wood VS PVC Pipe??

Carbonate Drinks with Baking Soda & Vinegar??? | $5 DIY Soda Machine

This DIY Nerf Bow Will Blow Your Mind – So Easy, Anyone Can Build It!