Video Tutorial

2 year old dress using 3,5mm yarn

Round 1: Chain 96, slip stitch closing the circle
Round 2: Repeat from * to * *3 double crochet, skip 1 chain. In the same space (1 x 2double crochet Puff Stitch, chain 1, 1 x 2 double crochet Puff Stitch), chain 1, skip 1 chain*
Rounds 3-10: Repeat from * to * *1 increase , double crochet to the last double crochet of the previous row, skip 1 chain. In the same space (1 x 2 double crochet Puff Stitch, chain 1, 1 x 2 double crochet Puff Stitch), chain 1, skip 1 chain*
Round 11: Slip stitch in the 1st double crochet of the 4th repetition, place the other sleeve symmetric (leave 3 repetitions x sleeve)
Repeat from * to * *1 increase, double crochet to the last double crochet of the previous row, skip 1 chain. In the same space (1 x 2 double crochet Puff Stitch, chain 1, 1 x 2 double crochet Puff Stitch), chain 1, skip 1 chain*
Rounds 12-14: Repeat from * to * *1 increase, double crochet to the last double crochet of the previous row , skip 1 chain. In the same space (1 x 2 double crochet Puff Stitch, chain 1, 1 x 2 double crochet Puff Stitch), chain 1, skip 1 chain*
Round 15: Repeat *1 double crochet around, repeat puff stitch* 
Round 16: Repeat 1 increase, double crochet to the last double crochet previous row, repeat puff stitch
Repeat rounds 15 and 16 to the round 28
Rounds 29-32: Repeat *1 double crochet around, repeat puff stitch*
Round 33: Repeat 1 increase, double crochet to the last double crochet previous row, repeat puff stitch
Rounds 34-37: Repeat *1 double crochet around, repeat puff stitch*