Week 1:

Materials:
1 350-yd ball 100% cotton thread, size 10
Steel crochet hook, size 8 USA (1.50 mm)
Ch 6; join with a sl st in first ch to form a ring.
Rnd 1) Ch 4 (counts as first dc, plus ch 1), (dc, ch 1) 11 times in ring; join with a sl st to 3rd ch of beg ch 4: 12 dc/12 ch 1-sps.
Rnd 2) Ch 3, dc in next sp, dc in next dc, ch 2, sc in next sp, ch 2; * dc in next dc, dc in next sp, dc in next dc, ch 2, sc in next sp, ch 2; rep from * around; join with a sl st to first dc: 6 groups of 3 dc.
Rnd 3) Ch 1, sc in joining, sc in next 2 dc, ch 9; * sc in next 3 dc, ch 9; rep from * around; join with a sl st in first sc: 18 sc/6 ch 9-sps.
Rnd 4) Sl st in next 2 sc and in ch 9 sp; ch 3, (6 dc, ch 2, 7 dc) in same sp; * (7 dc, ch 2, 7 dc) in next ch 9 sp; rep from * around; join with a sl st to first dc: 84 dc/6 ch 2-sps.
Rnd 5) Sl st in next 3 dc; ch 3, dc in next 3 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 4 dc, ch 9; * sk next 6 dc, dc in next 4 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 4 dc, ch 9; rep from * around; join with a sl st to first dc: 72 dc/6 ch 2-sps/6 ch 9-sps.
Pull up a lp and drop. Put in plastic bag for next week.
Week 2:

Pick up dropped lp from last week:
Rnd 6) Sl st in next 3 dc; ch 3, dc in next 2 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 3 dc, (7 dc, ch 2, 7 dc) in next ch 9 sp; * sk next 3 dc, dc in next 3 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 3 dc, (7 dc, ch 2, 7 dc) in next ch 9 sp; rep from * around; join with a sl st to first dc: 144 dc/12 ch 2-sps.
Rnd 7) Sl st in next 3 dc; ch 3, dc in next dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 2 dc, ch 3, sk next 6 dc, dc in next 4 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 4 dc, ch 3; * sk next 6 dc, dc in next 2 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 2 dc, ch 3, sk next 6 dc, dc in next 4 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 4 dc, ch 3; rep from * around; join with a sl st to first dc: 120 dc/12 ch 2-sps/12 ch 3-sps.
Rnd 8) Sl st in next 3 dc; ch 3, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next dc, ch 3, sc in next sp, ch 3, sk next 3 dc, dc in next 3 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 3 dc, ch 3, sc in next sp, ch 3; * sk next 3 dc, dc in next dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next dc, ch 3, sc in next sp, ch 3, sk next 3 dc, dc in next 3 dc, (2 dc, ch 2, 2 dc) in next ch 3 sp, dc in next 3 dc, ch 3, sc in next sp, ch 3; rep from * around; join with a sl st to first dc: 96 dc/24 ch 3-sps/12 ch 2-sps.
Rnd 9) Sl st in next 2dc and ch sp; ch 3, (dc, ch 2, 2 dc) in same sp, ch 3, sc in next sp, ch 5, sc in next sp, ch 3, sk next 3 dc, dc in next 2 dc, (2 dc, ch 2, 2 dc) in next sp, dc in next 2 dc, ch 3, sc in next sp, ch 5, sc in next sp, ch 3, sk next 3 dc; * (2 dc, ch 2, 2 dc) in next ch 2 sp, ch 3, sc in next sp, ch 5, sc in next sp, ch 3, sk next 3 dc, dc in next 2 dc, (2 dc, ch 2, 2 dc) in next ch 2 sp, dc in next 2 dc, ch 3, sc in next sp, ch 5, sc in next sp, ch 3; rep from * around; join with a sl st to first dc: 72 dc/12 ch 5-sps.
Pull up a lp and drop. Put in plastic bag for next week.
Week 3:

Materials needed to complete the crochet-a-long:
1-9" metal ring
Tapestry needle for weaving in ends
Pick up dropped lp from last week:
Rnd 10) Sl st in next dc and in ch 2 sp; ch 3, dc in same sp, (ch 3, sc in next sp) 3 times, ch 3, sk next 3 dc, dc in next dc, (2 dc, ch 2, 2 dc) in next sp, dc in next dc, (ch 3, sc in next sp) 3 times, ch 3; * (2 dc) in next sp, (ch 3, sc in next sp) 3 times, ch 3, sk next 3 dc, dc in next dc, (2 dc, ch 2, 2 dc) in next sp, dc in next dc, (ch 3, sc in next sp) 3 times, ch 3; rep from * around; join with a sl st to first dc: 48 dc/48 ch 3-sps.
Rnd 11) Sl st in next dc and in center of next sp, ch 1, sc in same sp, ch 9, sk next 2 sps, sc in next sp, ch 3, (2 dc, ch 2, 2 dc) in next ch 2 sp, ch 3, sc in next sp, ch 9, sk next 2 sps, sc in next sp, ch 5; * sc in next sp, ch 9, sk next 2 sps, sc in next sp, ch 3, (2 dc, ch 2, 2 dc) in next ch 2 sp, ch 3, sc in next sp, ch 9, sk next 2 sps, sc in next sp, ch 5; rep from * around, ch 2, dc tightly in first sc forming last ch 5 sp on rnd. 12 ch-9 sps.
Rnd 12) Ch 1, sc in same sp, (5 dc, ch 5, 5 dc) in next sp, sc in next sp, ch 3, (2 dc) in next ch 2 sp, ch 3, sc in next sp, (5 dc, ch 5, 5 dc) in next sp; * sc in next sp, (5 dc, ch 5, 5 dc) in next sp, sc in next sp, ch 3, (2 dc) in next ch 2 sp, ch 3, sc in next sp, (5 dc, ch 5, 5 dc) in next sp; rep from * around; join with a sl st in first sc. 120 dc.
Rnd 13) Sl st in next 3 dc; ch 1, sc in same st, (5 dc) in next sp, holding ring close to work, sl st around ring, (5 dc) in same sp, sk next 2 dc, sc in next dc, ch 5, sc in next sp, ch 3, sl st around ring, ch 3, sc in next sp, ch 5, sk next 2 dc, sc in next dc, (5 dc) in next sp, sl st around ring, (5 dc) in same sp, sk next 2 dc, sc in next dc, ch 5, sk next 4 dc; * sc in next dc, (5 dc) in next sp, sl st around ring, (5 dc) in same sp, sk next 2 dc, sc in next dc, ch 5, sc in next sp, ch 3, sl st around ring, ch 3, sc in next sp, ch 5, sk next 2 dc, sc in next dc, (5 dc) in next sp, sl st around ring, (5 dc) in same sp, sk next 2 dc, sc in next dc, ch 5, sk next 4 dc; rep from * around; join with a sl st in first sc. Fasten off; secure ends.
Variations:
Beads can be worked in the ch 9 sps by working; ch 4, sl next bead up close to work, sc around bead, ch 4; continue with pattern instructions. You'll need thread on 24 beads before beginning your project. To help thread beads, apply glue to the end of the thread and let dry. Thread beads on.
A hanging loop can also be made if desired by working last rnd up through last sl st around metal ring, ch 12, sl st around ring again, continue with pattern instructions.
Streamers can be added as desired.