You still have time to pick out some yarn and cast on with everyone else on Monday. Sign up for the kal by simply purchasing the pattern. Head on over to the thread on Ravelry for even more yarn porn (willpower super powers required if you are on any kind of yarn diet or stashdown!).
.... And it's a big one! Usually, the sale runs across a set number of days and things get pretty fast paced around here with shipping and customer service emails. With the need to continue to prioritise staff safety and a smaller team than usual, we decided to make this a whole birthday month.