i want to buy fpga board for learning purpose

i m in college , btech 3rd year ece , i wanna buy a fpga board for my learning experince and i dont wanna buy expensive fpga board. my budget is under 5k and i have found 2 fpga board that is tang nano 9k and altera cyclone II , for tang nano i cn use yosys and growin eda but i dont like growin eda bcs its asking way mush information to download a software and also its a chinise origin makes me hesitate a little , so i m thinking i should go with altera cyclone II but where to buy it from , amazon or robuin