Birthday Burner is a depiction of a cake on wheels. It features a divot in the engine to fit a birthday candle.
From the back of the 2024 card:
Born: 2023, El Segundo, California
Designer: Hot Wheels®
Bakers, start your engines! Fully hot rodded with an exposed engine, this supercharged slice of automotive ingenuity will have everyone craving the sweet taste of victory.