VTech Go! Go! Smart Wheels Treasure Mountain Train Adventure 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 sorters Place 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 vehicle The 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 pieces Connect to other Go! Go! Smart Wheels and Go! Go! Smart Animals tracks (sold separately) to encourage your child's creativity Requires 3 AAA batteries (batteries included for demo purposes only; new batteries recommended for regular use); intended for ages 1 to 5 years