Smart Tech Sound Action Tunnel Station 33973'All aboard!' The trains are ready to depart from the Smart tech Sound Action Tunnel Station. Interactive Features: When used with the Record & Play Engine (not included), the Station Action Tunnel instructs the train to slow down to a complete stop, flash its lights to signal that it's arrived and play a station sound to create a playful ambience. Once the train has halted, help the passenger onboard the Travel Wagon and begin your BRIO World