LEGO Dark Blue Bionicle Connector Block 3 x 7 x 6 with Ball Socket and Five Pin Holes (47331)

LEGO Dark Blue Bionicle Connector Block 3 x 7 x 6 with Ball Socket and Five Pin Holes has been used in at least 4 LEGO sets over the past 20 years, since it was first used in 2004. You can also find this part in at least 7 other colors. It has a design ID of 47331 which can usually be found molded into the bottom of the part.

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