Amazon has the KidKraft Ride Around Train Table (17836) for $79 with free shipping. Retail price: $137. Features 100 colorful pieces, airport includes runway and helipad, hospital with ambulance, large enough that multiple children can play at once, compatible with Thomas & Friends wooden train sets and Brio wooden train sets.
Walmart has the Disney 2-in-1 Battery-Powered Train with Trailer (Minnie Mouse or Mickey Mouse) for $16 with free in-store pickup or $5.99 shipping to home. List price: $60. Easily converts from battery-powered to foot-powered with the simple turn of a switch, supports up to 50 lbs and requires 6 D cell batteries (included).