Gauge and yarn weight are unimportant for this pattern. There are sample pictures of hook and yarn size combinations.
A crochet chart of the pattern is included for reference. Turn at the start of each round.

Materials:
Tapestry needle
Scissors
Your choice of yarn leftovers
Your choice of crochet hook size

Techniques:
Magic circle
Single crochet (sc)
Double crochet (dc)
Slip stitch (ss)
Optional: Standing double crochet: Moogly has a great tutorial here.