JV's striped pullover

It's finished at last, in time for JV's birthday.Yes, today our smaller bundle of joy turns one. The pattern is below. I can give no gaurentee about any errors, though it is a relatively simple pattern. Any feedback esp about any mistakes is welcome.

JV’S STRIPED PULLOVER

Material:
- One ball(100gm) each of 4-ply yarn in following colors:
· C1 light chocolate pink.
· C2 Light olive green
· C3 light baby pink
· C4 off-white
- One pair each of straight needles size 3.00 mm and 3.75 mm and circular needles size 3.75 mm.
- Tapestry needle

Size:
1-2 years

Finished measurements:
Chest 12 inches
Length 12 inches
Sleeve length (from armholes) 8 inches

Tension:
11 sts x 16 rows = 2 inches in st st with larger needles

Back:
With smaller needles and C1, cast on 64 sts. Work in k1, p1 rib for 10 rows.
Change to larger needles and continue in st st in the following color sequence: 6 rows C2, 6 rows C3, 6 rows C4, 6 rows C1 and repeat so on.
After working 54 rows (or when the piece measures 8 inches from the beginning), cast off 2 sts at the beginning of next 2 rows.
Next row: k1, k2tog, k to the last 3 sts, sl 1 st knitwise, k 1, psso, k1.
Next row: Purl.*
Repeat these two rows until 20 sts remain, maintaining the color sequence at all times.
Next row: cast off.

Front:
Work as for back until *. Repeat these two rows once. Then work as follows maintaining the color sequence at all times:
Row 1: cast off 4 sts, k 1, k2 tog, and k to the last three sts, sl 1, k1, psso, k1.
Row 2: P.
Row 3: k1, k2tog, k to the last 3 sts, sl 1 st knitwise, k 1,psso, k1.
Row 4: Purl.
Repeat the last two rows 7 times.
Row 19: k1, k2tog, k 8, turn,
Row 20: P2tog, p to the end.
Row 21: K1, k2tog, k 6.
Row 22: p2tog, p to the end.
Row 23: K1, k2tog, k 4.
Row 24: p2tog, p to the end.
Row 25: K1, k2tog, k2.
Row 26: P2tog,p2.
Row 27: k 1, k2 tog.
Row 28: cast off.

Rejoin yarn at st 12 of row 19 and work the other side of neckline as follows:
Row 19: cast off next 8 sts, k to the last 3, sl 1, k1,psso, k1.
Row 20: P.
Row 21: cast off 1 st, k to the last 3, sl 1, k1,psso, k1.
Row 22: P.
Repeat last 2 rows 4 times.
Row 31: K 2 tog, sl 1, k1, psso.
Row 32: P.
Row 33: cast off.

Sleeves (make 2):
With smaller needles and C1, cast on 30 sts. Work k1, p1 rib for 10 rows.
Change to larger needles and work in st st in the following sequence: Color sequence is the same as for back and front except that for the first two turns, 6 rows C4 is replaced by 2 rows C2, 2 rows C3, 2 rows C2.
While working in st st, increase one st at both ends of row 3 and then every 8th row, 5 times.
After knitting 54 rows or when the piece measures 8 inches from the beginning, cast of three sts at the beg of next two rows.
Next row: k1, k2tog, k to the last 3 sts, sl 1 st knitwise, k 1, psso, k1.
Next row: Purl.
Repeat these two rows until four sts remain.
Next row: K 2 tog, sl 1, k1, psso.
Next row: P.
Next row: cast off.

Finishing:
Sew shoulder seams as well as side seams on the body and sleeves. Attach sleeves to the body.
Work the button band along the left front Raglan as follows: With Rs side facing and C1and smaller needles, pick up and k 21 sts along the left front Raglan margin of the left sleeve.
Work 5 rows in k1, p1 rib. Cast off loosely in rib.
Work the buttonhole band along the left front Raglan as follows: With Rs side facing and C1 and smaller needles, pick up and k 21 sts along the left front Raglan margin of the front. Work 5 rows in k1, p1 rib, making three buttonholes evenly spaced on row 3. Cast off loosely in rib.
Neck band: With Rs side facing and C1 and circular needles, pick up and k 55 sts evenly spaced along the neckline including upper margins of button and buttonhole bands. Work 5 rows in k1, p1 rib, making a buttonhole over st 3 of 2nd row. Cast off loosely in rib.
Sew the lower margin of the bands in place over the front, weave in the loose ends and sew on the buttons.