Thefirstdecade is a user on the LEGO Message Boards Eternal, and was the 321st user to join. He joined on May 24, 2017, and currently has Ninja with over 6,201 posts, 21 friends, and is following 63 users. His username on the original LEGO Message Boards was Thefirstdecade, and his favorite LEGO themes are Chima, Ninjago, and other bootleg themes.

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