You've seen them on NBC's hit show "America's Got Talent."
Saturday afternoon, the 14-member Spin-Tacular Basketball Show, returned to Bruce Crevier's home town of Jefferson, South Dakota, to perform as a part of Jefferson Days.
The Crevier family, which ranges in age from four on up, wowed the "AGT" judges with their performance in Chicago, earning a spot in Las Vegas.
Fans packed shoulder to shoulder along Main Street in Jefferson to watch the their 45-minute show.
From complex dribbling maneuvers, to balancing basketballs, to juggling -- and doing all of that on top of 10-foot tall uni-cycles -- the family says "AGT" is the toughest performance the they've had for two reasons.
"Getting everybody out there with all of our stuff, and number two is trying to condense what we do into 90 seconds," Bruce said. "So, that it'll give that wow factor to the judges and the crowd."
"There's 14 of us. There's a lot of moving parts," his son Caleb added. "Any one little mistake, it's like a domino affect. One mistake just kind of knocks everything else over. You're not just nervous for yourself, but everybody else as well."
Bruce and his family have been performing for 20 years, traveling around the world and making stops in 35 countries.
They also perform throughout the United States during half-time at college and NBA games and in high schools.
There's always nerves, but Bruce says performing in front of his home crowd is a little easier than putting on a show for Howard, Howie, Mel B and Heidi Klum.
"They can either make you or break you," Bruce said. "Here, if somebody doesn't like you, they don't have an "X" to "X" you out. But them, if they don't like you, they can give the "X" and you're blocked from going to the next round. When you're there, standing on that stage, on that "X" looking at those judges, you kind of have to pinch yourself. Is this really happening? Or is this just like a dream? I had to pinch myself and sure enough, it wasn't a dream. I was there."
You can catch the their next performance in Las Vegas Tuesday night at 8 p.m. on "America's Got Talent" on KTIV.
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