This Is Mark Rober - Season 1 Episode 4 Swimming in Orbeez
Mark helps viewers dive into three pools; one is filled with 25 million Orbeez, one is filled with liquid sand and one is filled with jello; he unveils a never-before-seen, top-secret blaster.
- Genre: Documentary, Reality
- Studio: Discovery
- Keyword: experiment, research, engineering, explosion, science
- Cast: Mark Rober