What did Mark Rober build in his backyard for squirrels in 2020?

A ninja warrior obstacle course

A heated squirrel hotel with tiny beds

What does Mark Rober's company CrunchLabs sell?

Monthly science and engineering build boxes

Video games about building rockets and robots

What did Mark Rober build that helps a thrown dart always hit the bullseye?

A dartboard that moves to catch the dart

A robot arm that throws every dart for you perfectly

In 2025, Mark Rober tested a car's self-driving system against what kind of obstacle, like in a cartoon?

A fake wall painted to look like the road

Mark Rober's videos are best known for doing what?

Making science and engineering fun

Teaching makeup and hairstyling tricks for parties

Mark Rober Quiz: NASA Engineer, Glitter Bombs and CrunchLabs

This Mark Rober quiz follows the engineer turned YouTuber from his years at NASA's Jet Propulsion Laboratory working on the Curiosity rover to his famous glitter bomb for package thieves, squirrel obstacle courses, giant science experiments, Team Trees and Team Seas with MrBeast and his CrunchLabs build boxes for kids. Fifteen questions.

Start Mark Rober Quiz

🎯 Daily Trivia Challenge • 🧠 15 Questions • ⏱️ 150 Seconds

Question 1 / 15 Time: 150s

NASA
Before YouTube, Mark Rober worked as an engineer for which organization?
Mars
Which Mars rover did Mark Rober help build?
Glitter bomb
What did Mark Rober's famous 2018 glitter bomb target?
Squirrels
What did Mark Rober build in his backyard for squirrels in 2020?
Team Trees
With which YouTuber did Mark Rober launch Team Trees in 2019?
CrunchLabs
What does Mark Rober's company CrunchLabs sell?
Education
At which university did Mark Rober earn his bachelor's degree in mechanical engineering?
Experiments
Mark Rober made a giant version of which classic science demonstration, using huge amounts of foam?
Darts
What did Mark Rober build that helps a thrown dart always hit the bullseye?
Cars
In 2025, Mark Rober tested a car's self-driving system against what kind of obstacle, like in a cartoon?
Apple
Which tech company did Mark Rober work for after NASA, on virtual reality projects?
Style
Mark Rober's videos are best known for doing what?
Team Seas
What did Team Seas, Rober's 2021 campaign with MrBeast, aim to remove from the ocean?
Pranks
Mark Rober is also famous for catching which kind of criminals in a video series?
Origins
In which year was Mark Rober born?

Explanations: answer key for all 15 questions

Q1: Before YouTube, Mark Rober worked as an engineer for which organization?
Answer: NASA
He spent about nine years at NASA's Jet Propulsion Laboratory in California. Seven of those years were on the Curiosity rover project.
Q2: Which Mars rover did Mark Rober help build?
Answer: Curiosity
Curiosity landed on Mars in 2012 and is still exploring. Rober worked on parts of its hardware and testing.
Q3: What did Mark Rober's famous 2018 glitter bomb target?
Answer: Package thieves
He hid a device in a fake package that sprayed glitter and fart spray on thieves. Cameras inside recorded their reactions.
Q4: What did Mark Rober build in his backyard for squirrels in 2020?
Answer: A ninja warrior obstacle course
Squirrels had to cross ropes, wheels and launchers to reach nuts. The video became one of his most watched.
Q5: With which YouTuber did Mark Rober launch Team Trees in 2019?
Answer: MrBeast
Team Trees raised money to plant 20 million trees. They later teamed up again for Team Seas.
Q6: What does Mark Rober's company CrunchLabs sell?
Answer: Monthly science and engineering build boxes
Each CrunchLabs box contains a toy to build and a video lesson. The goal is to teach kids to think like engineers.
Q7: At which university did Mark Rober earn his bachelor's degree in mechanical engineering?
Answer: Brigham Young University
He studied at Brigham Young University in Utah. He later earned a master's degree from the University of Southern California.
Q8: Mark Rober made a giant version of which classic science demonstration, using huge amounts of foam?
Answer: Elephant toothpaste
Elephant toothpaste uses hydrogen peroxide and a catalyst to make a huge foam explosion. His version was big enough to fill a pool.
Q9: What did Mark Rober build that helps a thrown dart always hit the bullseye?
Answer: A dartboard that moves to catch the dart
The board uses cameras to track the dart and motors to move itself. It took years of work to perfect.
Q10: In 2025, Mark Rober tested a car's self-driving system against what kind of obstacle, like in a cartoon?
Answer: A fake wall painted to look like the road
The test was inspired by Wile E. Coyote cartoons. It compared camera-based driver assistance with lidar sensors.
Q11: Which tech company did Mark Rober work for after NASA, on virtual reality projects?
Answer: Apple
He worked in Apple's special projects group and holds patents from that time. He then focused full time on YouTube.
Q12: Mark Rober's videos are best known for doing what?
Answer: Making science and engineering fun
He uses big builds and pranks to explain physics and engineering. Teachers often use his videos in class.
Q13: What did Team Seas, Rober's 2021 campaign with MrBeast, aim to remove from the ocean?
Answer: 30 million pounds of trash
Each dollar donated removed one pound of trash. The campaign raised more than 30 million dollars.
Q14: Mark Rober is also famous for catching which kind of criminals in a video series?
Answer: Phone scammers
He worked with other creators to track down scam call centers. The videos show how scammers trick older people.
Q15: In which year was Mark Rober born?
Answer: 1980
He was born on March 11, 1980, in California. He started his YouTube channel while still working at NASA.

Mark Rober Quiz – Engineering Meets Entertainment

Mark Rober is an engineer and YouTuber who makes science exciting for millions of viewers. Born in California in 1980, he studied mechanical engineering at Brigham Young University and later at the University of Southern California. He then worked for about nine years at NASA's Jet Propulsion Laboratory, mostly on the Curiosity rover, which landed on Mars in 2012.

After NASA he worked on virtual reality projects at Apple before focusing on YouTube. His videos mix big builds, pranks and clear explanations. Famous examples include a glitter bomb that punishes package thieves, a ninja warrior course for backyard squirrels and a dartboard that moves to catch every dart.

Rober also uses his reach for good causes. With MrBeast he launched Team Trees in 2019 to plant 20 million trees and Team Seas in 2021 to remove 30 million pounds of trash from oceans and rivers.

In 2022 he expanded his education work with CrunchLabs, which sends kids monthly build boxes with video lessons. In 2025 his test of a car's self-driving system against a fake painted wall made headlines around the world and showed how his tests can start real public debates.

What This Quiz Teaches

His NASA career and the Curiosity rover
Famous builds and pranks
The glitter bomb and squirrel course
Team Trees and Team Seas
CrunchLabs
Science experiments for everyone

Quick Facts About Mark Rober

Born March 11, 1980, in California.
He worked at NASA for about nine years.
He holds patents from his time at Apple.
His videos often teach the engineering design process.
He gives talks about learning from failure.
He started posting videos while still at NASA.