LEGO Transparent Light Blue Brick 2 x 2 x 1.7 Round Cylinder with Dome Top (26451 / 30151)

May have safety stud or recessed solid stud. LEGO Transparent Light Blue Brick 2 x 2 x 1.7 Round Cylinder with Dome Top has been used in at least 2 LEGO sets over the past 23 years, since it was first used in 2001. You can also find this part in at least 23 other colors. It has a design ID of 30151 which can usually be found molded into the bottom of the part.

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