Stage 1 (Parent mode): 10-18 months - Multi-position reclining Backrest, Parent control bar, Footrest, Armrest, Canopy. Stage 2 (Push mode): 18-24 months - Multi-position reclining Backrest, Parent control bar, Footrest. Stage 3 (Tricycle mode): 24-30 months - Multi-position reclining Backrest, Parent control bar, Pedals. Stage 4 (Bike mode): 30-36 months - Lower Backrest, Pedals. Stage 5 (Folded mode): Folds with a click of a button. Perfect for travelling.)