Below is a detailed, step-by-step guide on how to crochet a Granny Square Pullover for children aged 1–5 years. The pattern is written in simple terms so beginners can follow it easily.

How to Crochet a Granny Square Pullover (Ages 1–5 Years)
A granny square pullover is a classic, cozy handmade sweater made by joining crochet granny squares. It is comfortable, adjustable, and perfect for toddlers and young children.
Materials Needed
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Yarn:
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Medium weight yarn (Category 4 – worsted weight)
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Soft cotton or acrylic yarn is best for children
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Approximate yarn required:
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Age 1–2: 250–300 g
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Age 3–4: 300–350 g
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Age 5: 350–400 g
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Crochet Hook:
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4.0 mm – 5.0 mm (choose based on yarn label)
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Other Tools:
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Yarn needle
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Scissors
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Measuring tape
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Stitch markers (optional)
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Crochet Abbreviations (US Terms)
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ch – chain
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sl st – slip stitch
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sc – single crochet
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dc – double crochet
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sp – space
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rep – repeat
Step 1: Crochet the Granny Squares
Each pullover is made from basic granny squares.
Basic Granny Square Pattern
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Magic Ring (or ch 4, sl st to form a ring)
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Round 1:
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Ch 3 (counts as first dc)
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2 dc into ring
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Ch 2
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3 dc, ch 2 – repeat 3 more times
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Sl st into top of ch 3
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Round 2:
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Sl st to next ch-2 corner
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Ch 3, 2 dc, ch 2, 3 dc in same space
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Ch 1
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3 dc, ch 2, 3 dc in next corner, ch 1 – repeat around
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Sl st to join
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Round 3+:
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Continue same pattern
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3 dc in each side space
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(3 dc, ch 2, 3 dc) in each corner
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Step 2: Square Size by Age
Crochet squares until they reach the following approximate sizes:
| Age | Square Size |
|---|---|
| 1–2 years | 5–6 inches |
| 3–4 years | 6–7 inches |
| 5 years | 7–8 inches |
Step 3: Number of Squares Needed
| Part | Number of Squares |
|---|---|
| Front | 1 square |
| Back | 1 square |
| Sleeves | 2 squares (1 per sleeve) |
Total squares: 4

Step 4: Joining the Squares
Lay the squares flat:
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Place front and back squares together
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Attach one square to each side for sleeves
Joining Method (Simple Whip Stitch or Slip Stitch)
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Use a yarn needle or crochet hook
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Join shoulders first
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Leave space in the center for the neck opening
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Join side seams, leaving space at the bottom for armholes
Step 5: Crochet the Sleeves
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Attach yarn at the armhole
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Crochet in rounds using:
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3 dc clusters (granny stitch)
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Decrease gradually by skipping clusters every few rounds
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Continue until sleeve reaches desired length:
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6–7 inches for ages 1–3
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8–9 inches for ages 4–5
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Finish sleeve with:
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1 round of sc for neat edges
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Repeat for the second sleeve.

Step 6: Crochet the Body Length
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Attach yarn at bottom edge of pullover
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Work granny stitch rounds evenly around
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Crochet until desired length:
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Age 1–2: 10–11 inches
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Age 3–4: 12–13 inches
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Age 5: 14 inches
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Finish with 1–2 rounds of sc or dc for a clean border
Step 7: Neckline Border
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Attach yarn around neck opening
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Crochet 1–2 rounds of sc
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Optional:
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Add picot stitch or shell stitch for decoration
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Step 8: Finishing Touches
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Weave in all loose ends
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Lightly block the pullover to shape
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Optional:
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Add buttons
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Add a hood
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Use color-changing granny squares for a fun look
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Tips for Best Results
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Always measure the child or compare with an existing sweater
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Choose soft, non-itchy yarn
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Keep stitches loose for comfort
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Adjust square size easily for growth

Conclusion
A granny square pullover is a beautiful and beginner-friendly crochet project for children aged 1–5 years. With just a few squares and basic stitches, you can create a warm, colorful, and handmade garment that grows with the child.
If you’d like, I can also:
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Write this as a PDF pattern
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Create a size-specific pattern
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Add pictures or stitch charts
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Simplify it further for beginners 😊
Watch tutorial: