For a 40cm-height bunny (from head to toe)
✓ Crochet hook size 2.5 mm (bunny) and 3 mm (overalls)
✓ Wool yarns size 2mm (beige, pink, orange, green)

Gauge is not important in my pattern. The size of your amigurumi rabbit bunny will change according to the chosen yarn weight and
hook size.