2 months. Now that their eyes are starting to work together, most babies can track a moving object. Your newborn's brain is beginning to perceive and follow motion, so he'll love watching a mobile or playing in front of a child-safe mirror.
1 On average, a dirt bike can range anywhere from $300 to as high as $3,000 for a high-powered bike. 2  For example, PowerSportsMax.com sell dirt bikes that have different engines ranging from 70 cc to 250 cc.3  The price for the dirt bikes sold with this store can range anywhere from $380 to $1,400. For example, PowerSportsMax.com sell dirt bikes that have different engines ranging from 70 cc to 250 cc. 2  The price for the dirt bikes sold with this store can range anywhere from $380 to $1,400.
REI, for instance, offers a free bicycle tune-up for every bike after 20 hours of use or six months from the purchase date, whichever comes first. If you didnât buy your bike at REI, then the costs would be in the $60 to $105 range, depending on the package chosen. Minor tune-up jobs can often be done on your own such as lubing the chain or checking the tire pressure.