The battery-powered Record & Play Engine is the centrepiece of the play and can communicate with its surroundings, automatically responding to Smart Tech accessories with various train actions like multicolour lights, motion and sounds that enhance the imaginative play. Includes 14 pieces: 1x Record & Play Engine, 1x Travel Wagon, 1x Sound Action Tunnel, 1x Change Direction Action Tunnel, 2x Red Tracks w/ Action Tunnel Slot, 6x Wooden Tracks, 1x Passenger, 1x Warning Sign.Uses 2 x AA batteries (Not included)