At Worlds of Fun in Kansas City, there is no single "universal" weight limit for the park; instead, safety is determined by the physical dimensions of the rider and the ability of the safety restraints (lap bars, over-the-shoulder harnesses, or seatbelts) to lock properly. Most high-intensity thrill rides, such as the Mamba or Prowler, are designed for guests with a "standard" build, and those with a waistline exceeding 40 inches or a very broad chest may find the restraints difficult to close. Many of these major attractions provide "test seats" at the entrance of the queue so guests can verify if they will fit before waiting in line. For specific "flat rides" or water slides at the adjacent Oceans of Fun, there may be specific weight capacities for rafts or individual tubes—often ranging from 250 to 300 pounds—to ensure the ride functions within its engineered limits. Always check the "Guest Assistance Guide" or the specific signage at each ride entrance for the most accurate 2026 safety requirements.