LEGO White Brick 4 x 4 with Open Center 2 x 2 (32324)

LEGO White Brick 4 x 4 with Open Center 2 x 2 has been used in at least 3 LEGO sets over the past 23 years, since it was first used in 2001. You can also find this part in at least 9 other colors. It has a design ID of 32324 which can usually be found molded into the bottom of the part.