Babies are usually ready to eat Cheerios around the age of 9 months, notes Parenting.com. Around this age, most babies show signs of motor skills that suggest they are ready to help feed themselves. This could happen earlier or later depending on the baby.
Around the age of 9 months, most babies have begun trying to pick things up on their own. According to Daniel Miner, M.D. on Parenting.com, when babies start picking things up with their thumb and pointer finger, they are ready to take an active role in their own feeding. They can try eating soft pieces of fruit, well-cooked vegetables, soft pasta and Cheerios at this time.