Name: Snowball Machine Gun- How to make
Released: 2026-07-03
Duration: 383

Schedule for Mark Rober TV

Snowball Machine Gun- How to make

Here's how to make a Snowball Machine Gun that can fire 13 snowballs in .5 seconds. It's a must have in any self-respecting Uncle's arsenal.

2026-07-03 09:40:04 +0000 UTC→2026-07-03 09:46:27 +0000 UTC(6m)

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4,000 Mouse Trap Chain Reaction- Camp CrunchLabs Week 3

Welcome to the third week of Camp CrunchLabs, this week we set off thousands of mouse traps and ping pong balls!

2026-07-03 13:19:50 +0000 UTC→2026-07-03 13:32:16 +0000 UTC(12m)

Inside Disney's Secret Engineering Lab

These were the droids I was looking for, after all!

2026-07-03 13:05:56 +0000 UTC→2026-07-03 13:19:50 +0000 UTC(13m)

FINAL SCIENCE CLASS- How to Survive a 5 Mile Fall with No Parachute

We'll be doing dangerous things like smashing a bunch of glass with rockets and talking about the farthest man made object and I'll explain why this is my last one. See you there and don't be tardy or it's a detention.

2026-07-03 12:26:35 +0000 UTC→2026-07-03 13:05:56 +0000 UTC(39m)

This Arcade Game is a SCAM (I have proof)

Don't feel bad. You don't suck, the game makers do.

2026-07-03 12:18:12 +0000 UTC→2026-07-03 12:26:35 +0000 UTC(8m)

Incredible Chain Reactions!- Camp CrunchLabs Week 10

Welcome to the tenth week of Camp CrunchLabs, this week we will be going over some of your best submissions for the best trick-shot challenge!

2026-07-03 11:43:28 +0000 UTC→2026-07-03 12:18:12 +0000 UTC(34m)

Engineers Vs. Pumpkin Carving 2.0

Because scientific progress requires annual pumpkin sacrifices!

2026-07-03 11:30:03 +0000 UTC→2026-07-03 11:43:28 +0000 UTC(13m)

Engineers vs Extreme Hide & Seek

They never said thermal cameras were against the rules!

2026-07-03 11:14:07 +0000 UTC→2026-07-03 11:30:03 +0000 UTC(15m)

Mind Blowing Illusions!- Camp CrunchLabs Week 4

Welcome to the fourth week of Camp CrunchLabs, this week we will be going over some of your best submissions for the forced perspective challenge!

2026-07-03 10:30:58 +0000 UTC→2026-07-03 11:14:07 +0000 UTC(43m)

Engineers vs. Thanksgiving Dinner

We used YouTube's most expensive potato masher.

2026-07-03 10:15:02 +0000 UTC→2026-07-03 10:30:58 +0000 UTC(15m)

Can You Safely Drink Your Own Pee?

To launch a global fundraising campaign for clean drinking water, Mark travels to Kenya and uses reverse osmosis technology to put the ultimate purification process to the test with MrBeast.

2026-07-03 10:02:23 +0000 UTC→2026-07-03 10:15:02 +0000 UTC(12m)