The Super Soaker was the quintessential summertime toy of the 1990s, revolutionizing the water gun battle and introducing the potential of pressure power to children across the country. What could possibly make this toy more exciting? More power. YouTuber Mark Rober and I Like To Make Stuff joined forces and, over the course of six months, created the world's largest Super Soaker. Featuring a nitrogen tank and pressures of 2,400 PSI, this 7-foot behemoth shoots water at over 250 mph.