What did Queen Elizabeth II give Charles for his 21st birthday?

Here is the question :

WHAT DID QUEEN ELIZABETH II GIVE CHARLES FOR HIS 21ST BIRTHDAY?

Here is the option for the question :

An island in the Caribbean
A Shetland pony
An Aston Martin
Balmoral Castle

The Answer:

And, the answer for the the question is :

An Aston Martin

Explanation:

[STC0012723]. His mother gave him an Aston Martin DB6 for his 21st birthday, and it has since become one of the king’s most treasured belongings. He was last spotted driving it in the summer of 2022, on his way to the opening ceremony of the Commonwealth Games. Charles has also discussed the “eco modifications” he has made to the Aston Martin over time, including the fact that it now uses biodiesel derived from cheese waste and stale wine.