Turn on the motorized freight train and watch as it chugs around the tracks, through the tunnels and up hills on its own; pretend to mine for gold in the mountain by inserting the 3 shape-sorter blocks into the shape sortersPlace the SmartPoint freight train on the playset's nine SmartPoint locations to hear different phrases, music or fun sound effects; teaches the letter F and the name of the vehicleThe gold mine also includes rotating gears, a crane to move the shape pieces around and mine shaft where you can pretend to mine for gold; more than 30 connecting track piecesConnect to other Go! Go! Smart Wheels and Go! Go! Smart Animals tracks (sold separately) to encourage your child's creativityRequires 3 AAA batteries (batteries included for demo purposes only; new batteries recommended for regular use); intended for ages 1 to 5 years