Tunnels and double level train tracks is what the Tomica Super Big Set is all about. Watch as the trains zoom in and out of the tunnels. Drive the cars under the bridge and train tracks. There is nothing small about this Super Big Set. The hospital building in the Super Big Set has real flashing lights on the helipad. The set also includes a Hypercity Rescue Fire Liner train. Train can tranform into a different style and the rear train has extending ladders and platforms for your heroic Tomikid. Requires 1x "C" and 2x "AAA" battery. Purchase more sets and accessories to build your collection and expand your Tomica world.