The Yamcha is a new game center figure by Gxmateria! In Japan these are only available via claw machine games where you spend money to maneuver a mechanical arm to get a box into a slot on the bottom of the machine.
Here in the US, you can preorder this figure at a cost of $26.99 with an October, 2021 release date.
The official Dragon Ball site has also included a look back at all the different looks of Yamcha here.
To further promote this figure, DB site has also included this interview with the project lead for this figure Mr. Miyoshi!