Graco TurboBooster SafeSeat Step 3 With cool, sporty features, any child is sure to feel great riding around in the TurboBooster. You'll be jealous of your big boy or girl when you see what they're riding in. Why you and your child will love this item: The third and final step in Graco's SafeSeat line, this sleek seat has an easy-to-adjust headrest features EPS energy absorbing foam, and the belt positioners, intuitive and easy to use, aid in proper seat belt positioning.