Equipment:

One 16 inch circular needles in US1 (2.25mm and a 40 cm cable)
One 16 inch circular needles in US3 (3.25mm and a 40 cm cable)
A set of US3 DPNs (3.25mm) to knit the crown if you don’t want to use the magic loop method
A tapestry needle
8 stitch markers (including a distinct one to mark the beginning of the round)

Gauge:

26 stitches x 35 rows for 4 inch x 4 inch (10 cm x 10 cm)