Graco Nautilus 3-in-1 car seat can save you the trouble of changing three different car seats.
It will accompany your child straight from the rear seat to backless booster. [...]

Accepts Graco® SnugRide®, SnugRide® 32 and Infant SafeSeat™ Car Seats;Holds child up to 50 lbs;Compact one-hand fold;5-point harnesses.

Compact frame only weighs 12 lbs; Accepts Graco® SnugRide®, SnugRide® 32 and Infant SafeSeat™;parent cupholders; Extra-large storage basket;One-hand fold.

Accepts Graco® SnugRide®, SnugRide® 32 and Infant SafeSeat™; Parent storage tray;One-hand, self-standing fold;Height-adjustable handle;Multi-position, flat relcining seat.