Aurifil 2022 Color Builder- 50wt 100% COTTON THREADS 3 LARGE SPOOLS. . The 2022 Color Builder Subscription is a capsule of 12 mini-collections, each containing three three large spools of 50wt thread – 2 Variegated and 1 complementary solid. This year we've drawn our color inspiration from 12 breathtaking rainforest plants from the Amazon. For 2022 Aurifil has partnered with Rainforest Trust, an organization dedicated to the long-term protection rainforests saving endangered wildlife through partnerships and community engagement.