Take control of play with the 33974 Smart Tech Action Tunnel Circle Set, a 14-piece interactive BRIO World train set. The battery-powered Record & Play Engine responds automatically to Smart Tech accessories, featuring multicolour lights, motion, and sounds that bring imaginative play to life.
Why Customers Love It
Record your own sounds with the engine’s red button and watch them play as it passes through the Play Sound Action Tunnel.
Smart Tech Sound app compatibility allows customisation of sound environments for even more interactive fun.
Action Tunnels create unique responses, and repositioning them on the tracks changes the train’s journey and direction.
