The 2021 Hot Wheels Matt & Debbie Hay's 1988 Pro Street Thunderbird Retro Racers #56 is a diecast car model in 1:64 scale, featuring a black-gold color scheme. This Ford Thunderbird model is part of the Hot Wheels Retro Racers series by Mattel, making it a collectible item for boys aged 8 and up who enjoy drag racing and retro vehicles. The car comes unopened in its original box, adding to its appeal for collectors looking for a nostalgic addition to their collection.