Each wood vehicle has plastic tires with "Va-roooom" feature. Push down and roll vehicle corward 2-3 times to rev up tires, then watch them go. Each approximately 4" in length.
PLEASE NOTE - Varoom Vehicles come in different vehicles(mixer, loader, road roller, excavator, dump truck and bull dozer) but WHEN PURCHASING FROM THE WEBSITE IT IS A SURPRISE OF WHICH VEHICLE YOU WILL GET!