[Papooses]

1 year and (not or) 20 pounds is the absolute bare minimum to turn kids forward-facing ... safest practice means keeping kids RF until the maximum limits of the convertible seat: my website explains in more detail

My 5 year old still has growing room in the Radian at 47" tall I would definitely consider that seat for your both your middle & youngest kiddos -- I'd consider the Britax Parkway for your oldest since it does not have armrests which makes buckling easier in tight squeezes (it's usually a lot easier to buckle a harness in 3 across configurations because it's right up front rather than hidden down inside a carseat crevice, which too often leads to bloody knuckles)

What exactly is your vehicle year/make/model & budget???

	Forward Facing Car Seats A forward-facing car seat is one in which the child sits facing the front of the car. The seat should be installed in the back seat of your vehicle. Most forward-facing only seats are for children above 20 pounds.

	Britax - Click for more info Britax International has been producing reliable child safety products for over 30 years. Not only does Britax have decades of experience creating car seats and other children's safety equipment, Britax has a long standing reputation as an industry leader and innovator. Britax International is headquartered in the United Kingdom, but Britax car seats are designed and manufactured at facilities in Germany, Austria, and the United States. In the summer of 2002, Britax strengthened their commitment to creating the safest car seats with the opening of a brand new, state-of-the-art crash testing facility in North Carolina. Britax car seats have a reputation around the world for being some of the safest, most reliable, and best designed child safety seats ever made.

	Rear Facing Car Seats A rear-facing seat is one in which the infant faces the back of the car. Always install a rear-facing seat in the back seat of your car. This is the safest position for an infant. NEVER place a rear-facing seat in the front seat of a vehicle with passenger airbags.

	Convertible Car Seats Convertible seats are for infants and toddlers. The seat can be used as a rear-facing seats for younger children, and switched to a forward-facing seat on the child's first birthday if the child weighs at least 20 pounds. However, experts recommend keeping the child in a rear-facing position until he or she outgrows the weight or height allowed by the safety seat.

	Britax Parkway - Click for more info The new Parkway Booster from Britax builds on their company's reputation as the maker of some of the safest seats on the market today. It's one of the only boosters to offer True Side Impact Protection - the EPS foam-padded headrest and side "wings" aren't just great for naps, they're engineered to provide vital protection to your child in the event of a side-impact crash. (Side-impact crashes are the leading cause of death for children ages 6-14, making this an issue of major importance for booster seats.)

	Sunshine Kids Radian 80 or 65 - Click for more info If "the Sunshine Kid's Radian 80 convertible car seat is (probably) the only car seat you will ever need," the "probably" part of this statement comes into play when you directly compare the Radian 80 with the Britax Regent. While the Radian 80 has a very high weight capacity, the seat width is only 10" vs. the Regent's 14" seat. The Britax Regent may be a bit wider, but it is very bulky, is only forward facing, and does not fold like the Radian 80. Because the Radian 80 is so narrow, you can potentially put three of them side by side in the back seat. Three Regents side by side? Impossible.