For the big ducky I used DK (crocheted 2 strands together) and a 5 mm hook. For the medium sized duckies I used DK (crocheted one strand) and a 4mm hook. For the smallest duckies I used fine cotton (sport, baby) and a 3 mm hook.
Size: The duckies and eggs are 3 inches tall (7.5 cm).
This pattern uses US Crochet Abbreviations:
ch = chain
sc = single crochet (UK : dc = double crochet)
st = stitch
sl = slip
rnd = round
tog = together