And some even light up. You can also find hula hoops with ball-bearings, beads, or bells inside them that make noise when they're twirled. The concept of the hula hoop has been around for a long time.

Saddled with a glut of unwanted Hula Hoops, Wham-O stopped manufacturing the toy until 1965 when Knerr and Melin came up with a new twist: they inserted ball bearings in the cylinder to make a ...

When I think of a Hula-Hoop, I immediately have lots of funny moments in my head…from when I was 10 years old. It’s been a long time since I’ve had one in my hand, let alone circled one ...

In addition to classic track events ... tossing a frisbee and softball, hula hoop endurance, jumping rope, chipping a golf ball, shooting basketball free throws, and a jump jog.

They then launched six inch wide hoops onto the shapes while a high-speed video recorded their performance. After analyzing the results, researchers found that getting a hula hoop up and going ...

Hula Hoops, Super Balls, Slip 'n Slides ... Not to mention the Super Ball, made of a new kind of synthetic rubber, developed in 1964, that made it freakishly bouncy. Super Balls were so ubiquitous ...

“What keeps a hula hoop up against gravity?” and “Are some body types better for hula hooping than others?” A team of mathematicians explored and answered these questions with findings ...