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Mark Rober's CrunchLabs

Season 3 • Episode 3 • Building a Liquid Sand Hot Tub

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Mark Rober's CrunchLabs Season 3, Episode 3: Building a Liquid Sand Hot Tub

0 0 • 10 min • 9.7/10

With the right amount of forced air, a hot tub filled with sand can look like a bubbling pot of soup. But how? Mark breaks down the science behind it. Watch Mark Rober's CrunchLabs Season 3, Episode 3 Building a Liquid Sand Hot Tub in HD free online. Enjoy high-quality streaming of Mark Rober's CrunchLabs Season 3, Episode 3 and share your thoughts in the comments below!

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Episodes

10 episodes
Lava vs Laser Destruction Test
1

Lava vs Laser Destruction Test

What's the most destructive substance on Earth? Lava's the reigning champ - but how do lasers stack up? Mark and his friends are about to find out.

24 min
Backyard Squirrel 2.0 - Bank Heist
2

Backyard Squirrel 2.0 - Bank Heist

Mark ups his backyard obstacle course game to keep four thieving squirrels away from a bank vault full of birdseed and a lifetime supply of walnuts.

18 min
Building a Liquid Sand Hot Tub
3

Building a Liquid Sand Hot Tub

With the right amount of forced air, a hot tub filled with sand can look like a bubbling pot of soup. But how? Mark breaks down the science behind it.

10 min
This Ball Is Impossible to Hit
4

This Ball Is Impossible to Hit

Mark uses the magic of engineering to level the playing field in a stacked competition against the world's greatest wiffle ball players.

24 min
Vortex Cannon vs Drone
5

Vortex Cannon vs Drone

Mark explores the possibilities of anti-drone defense technologies with a crew of backyard YouTube engineers... and the world's largest vortex cannon.

22 min
Glitter Bomb 1.0 vs Porch Pirates
6

Glitter Bomb 1.0 vs Porch Pirates

Stolen packages? Not so fast. Mark builds the original "Glitter Bomb" trap to combat porch pirates-and really make them regret their life choices.

9 min
Engineers vs Food Robots
7

Engineers vs Food Robots

From cereal and milk to spaghetti and meatballs: Things get messy when the CrunchLabs team cooks up new ways to make Mark's mealtimes more efficient.

14 min
Mark Rober vs Ninja Kidz
8

Mark Rober vs Ninja Kidz

It's not just the Ninja Kidz - it's the whole Ninja Fam! And Mark's challenging them all to a silly series of "Minute to Win It" style challenges.

9 min
Engineers vs Custom Go Kart Racing
9

Engineers vs Custom Go Kart Racing

CrunchLabs product designers get 24 hours to build and race their own custom go-karts incorporating engineering know-how-and the element of surprise.

11 min
10

Episode 10