0-3m (56cm) 3-6m (62cm) 6-9m (68cm) 9-12m (74cm) 12-18m (80cm) 18-24m (86cm) 2-2.5y (92cm) 2.5-3y (98cm) 4y (104cm) 5y (110cm) 6y (116cm) 7y (128cm)