Disney theme parks (Walt Disney World and Disneyland) strictly prohibit wagons and "stroller wagons" (like the Keenz or WonderFold) primarily to ease guest flow and reduce congestion. In a crowded park, the "pushed or pulled" nature of a wagon makes it difficult for the person behind them to see, leading to frequent "heel-clipping" and navigation bottlenecks. Additionally, wagons have a larger "footprint" than standard strollers, making them difficult to fit onto parking lot trams, monorails, and buses. In 2026, the policy remains firm: strollers must be no larger than 31" (79cm) wide and 52" (132cm) long. If you arrive with a wagon, you will be asked to return it to your car and rent a Disney-approved stroller at the gate. A peer-to-peer "exception" exists for guests with disabilities who have a "Stroller as a Wheelchair" tag, but this requires a specific consultation with Guest Relations to ensure the device is medically necessary.