👨Mark Rober is an engineer and an inventor.

🏠He grew up in Brea, California.

🚀He worked at NASA.

🤖He worked on Curiosity, a rover that went to Mars.

🚀He worked on its jet pack. It lowered the rover to Mars.

🎃His first YouTube video showed a Halloween costume.

📷As of April 2026, he posts videos. About one a month.

🐿️He battled squirrels that steal seeds in his videos.

📦CrunchLabs makes kits. Kids build things and learn about engineering.

🧒CrunchLabs wants kids to learn to think like an engineer.

Words to know

• rover: goes to Mars
• kits: things to build