Lego Great Ball Contraption (GBC)
Lego Great Ball Contraption (GBC). Watch the balls transport from module to module in this captivating, Rube Goldberg machine!
Andrew Carpenter
Andrew is 15 years old and from Lubbock, TX. In addition to building GBC's, Andrew enjoys Trail Life, Crossfit, and church youth group. He is currently a Patrol Leader with Trail Life Troop 619. He is in the 10th grade and homeschooled. He participated in the world record GBC at BrickWorld Chicago in 2019.
John Nathan Carpenter
John Nathan is 13 years old and from Lubbock, TX. He serves as an assistant patrol leader for Trail Life Troop 619. He enjoys competitive chess, crossfit, and church youth group activities. He is homeschooled and in 7th grade. He participated in the world record GBC at Brickworld Chicago in 2019.