Introducing the Guinness World Record Largest Super Soaker ever at 7 ft long!! | By Mark Rober | Facebook
World's LARGEST SUPER SOAKER!! | 272 MPH! I built the WORLD'S LARGEST SUPER SOAKER... and let's just say its pretty powerful. Stand back, kids! | By Mark Rober | Facebook
![Former NASA engineer made a super gigantic water gun that can make two watermelons with water pressure - GIGAZINE Former NASA engineer made a super gigantic water gun that can make two watermelons with water pressure - GIGAZINE](http://i.gzn.jp/img/2017/07/12/world-largest-super-soaker/s16.jpg)