Jump aboard the ultimate Smart Tech Sound experience. The 33977 Action Tunnel Deluxe Set features 91-pieces of railway fun including highlights from Ravensburger's interactive Smart Tech Sound range.

Travel around this large wooden track layout by train, bus or truck. There's plenty to explore in this BRIO World train set from the peaceful countryside farm where there's animals to take care of, to the action-packed lift and load station where the freight goods station is ready to move cargo.

Smart Tech Sound: Jump inside the intelligent Smart Tech Sound train and fly over the tracks, across the bridges and through the Action Tunnels on a wonderful railway adventure. This battery-powered train can communicate with its surroundings, automatically responding to the Smart Tech Sound Full-Service Station, Action Tunnels and Double Tunnel with various train actions including motion, LED-lights and sound – great for cause and effect learning.

Record & Play: Then take your railway adventures to new heights with the amazing Smart Tech Sound record and play features. Hear your voice play out from this battery-powered train as it drives around the tracks and interacts with other Smart Tech Sound toys. Pair the engine with the Smart Tech Sound app to customize the sound environment even further and be able to operate the train remotely.