This kid had the best reaction ever when Kevin Durant surprised his class

This is what happens when one of the best basketball players in the world shows up to a classroom unexpectedly.

Kevin Durant decided to spread some holiday cheer Wednesday by visiting Positive Tomorrows, an Oklahoma City school for homeless children.

When the Thunder star appeared out of nowhere, one young boy couldn’t contain his amazement — or stay upright.

Here is the full view of Durant’s entrance.