Amazon has a number of LEGO building kits starting at $8 Prime shipped: City Airport, Town Pack, Volcano Explorers, more
Amazon.com: LEGO DUPLO Town Airplane & Airport 10961 Building Toy; Imaginative Playset for Kids; Great, Fun Gift for Toddlers; New 2021 (28 Pieces),Multicolor,One Size : Toys & Games
Amazon.com: LEGO Space & Airport Set 9335, Fine Motor Skills & Collaboration Educational Toy for Boys & Girls Ages 4 & Up (1, 176Piece) : Toys & Games
Amazon.com: Friends Lego Lego Heart Lake Airport 41109 : Toys & Games
Amazon.com: LEGO City Airport 60103 Airport Air Show Building Kit (670 Piece) : Toys & Games
LEGO airport set 3182 | eBay
Amazon.com: LEGO City Airport 60103 Airport Air Show Building Kit (670 Piece) : Toys & Games
Amazon.com: LEGO City 60102 Airport VIP Service Building Kit (364 Piece) : Toys & Games
Amazon.com: LEGO City Great Vehicles 60061 Airport Fire Truck : Toys & Games
Amazon.com: LEGO City Airport 60101 Airport Cargo Plane Building Kit (157 Piece) : Toys & Games
Amazon.com: LEGO City Airport 3182 : Toys & Games
Amazon.com: LEGO City Central Airport 60261 Building Toy, with Passenger Charter Plane, Airport Building, Fuel Tanker, Baggage Truck, Cargo and 6 Minifigures, Great Gift for Kids (286 Pieces) : Everything Else
LEGO 60104 City Airport NEW see pics | eBay
Amazon.com: LEGO City 60102 Airport VIP Service Building Kit (364 Piece) : Toys & Games
Amazon.com: LEGO City Airport 3182 : Toys & Games
Amazon.com: LEGO City Air Race 60260 Flying Helicopter Toy, Features 2 Ripcord Helicopters, Stunt Plane Aircraft Toy, 2 Pylons, Plus Rivera, Xtreme and Vitarush Pilot Minifigures (140 Pieces) : Toys & Games
Amazon.com: LEGO 60100 City Airport Starter Set, Building Kit (81 Piece) : Toys & Games
Amazon.com: LEGO Super Heroes Super Hero Airport Battle 76051 : Toys & Games
LEGO 60104 City Airport Passenger Terminal Construction Set : Toys & Games - Amazon.com
Amazon.com: Friends Lego Lego Heart Lake Airport 41109 : Toys & Games
Amazon.com: LEGO City Central Airport 60261 Building Toy, with Passenger Charter Plane, Airport Building, Fuel Tanker, Baggage Truck, Cargo and 6 Minifigures, Great Gift for Kids (286 Pieces) : Everything Else
Amazon.com: LEGO Juniors City Central Airport 10764 Building Kit (376 Pieces) (Discontinued by Manufacturer) : Toys & Games
Amazon.com: LEGO City Airport 60104 Airport Passenger Terminal Building Kit (694 Piece) : Toys & Games
Amazon.com: LEGO City Airport 60101 Airport Cargo Plane Building Kit (157 Piece) : Toys & Games
LEGO City Airport Starter Set (60100), Complete Set with instructions 673419247351 | eBay