This is the Hot Wheels 1998 Flyin' Aces series set - all four cars.
3 Hot Wheels 1998 First Editions, '40 Ford, Tail Dragger & Hot Seat
Hot Wheels 1998 Zamac 1/500 12th Collectors Convention RARE VHTF
Vintage Mattel Hot Wheels 1998 Spinning 16 Car Carry Case w/16 Cars Complete
Hot Wheels 1998 First Editions Dodge Caravan #4 Of 40 Cars #633
Hot Wheels 1998 First Editions Complete Set 1-40 + Rare Orange Mustang Variant
Hot Wheels 1998 First Editions Dairy Delivery Lot of 5 1:64 Unopened
