Welcome to the Great Ball Pit! My name is Matt, and I build Lego Great Ball Contraptions (Lego GBC modules). I upload videos on Thursdays and stream on the 2nd Saturday of every month.
Leave a comment about Great Ball Pit: Cancel reply
LEGO is a trademark of The LEGO Group which does not sponsor, authorize or endorse this site. All other trademarks are also property of their respective owners.