Gravity Group wooden coasters is the premier source for innovative wooden roller coasters. Our family wooden coasters deliver fun to the entire family. Our patented Engineered Precut Track ensures our rides stay smooth and enjoyable. Our Timberliner cars were designed to comfortably fit children and adults of all sizes. Wooden roller coasters are the most sustainable ride option for amusement parks. Let us design a ride for all that lasts for generations to come.