Builders of America's Favorite Family Amusement Rides For the past 73 years, Sellner Manufacturing Company has been having fun building America's favorite family amusement rides. Sellner rides can be spotted at carnivals, fairs, amusement parks and family entertainment centers world wide . Rides currently manufactured by Sellner include the Tilt-A-Whirl, Spin-the-Apple, Berry-Go-Round, ...