LEGO Transparent Bright Green Brick 2 x 2 x 1.7 Round Cylinder with Dome Top with Z-Blob Eyes (Safety Stud) (30151 / 102971)

LEGO Transparent Bright Green Brick 2 x 2 x 1.7 Round Cylinder with Dome Top with Z-Blob Eyes (Safety Stud) has been used in at least 3 LEGO sets over the past year, since it was first used in 2023. It has a design ID of 102971 which can usually be found molded into the bottom of the part.