Next stop? You decide with Smart Tech Sound 🚄. From BRIO World. Smart Tech Sound is an exciting addition to BRIO World that lets children take control of an interactive play environment. Record your own sounds into the train, use the Action Tunnels to program the play and then watch your railway world come to life with Smart Tech Sound features. Start your adventure with Smart Tech Sound. From BRIO World. Find out more: https://www.brio.net/products/all-pro... 33972 Smart Tech Sound Action Tunnel Travel Set: https://www.brio.net/products/all-pro... 33971 Smart Tech Sound Record & Play Engine: https://www.brio.net/products/all-pro... 33978 Smart Tech Sound Waterfall Tunnel: https://www.brio.net/products/all-pro... Instagram: https://www.instagram.com/brioplay/ Facebook: https://www.facebook.com/BRIOPlay/ Website: http://www.brio.net