Fisher-Price Power Wheels Lil' Ford F-150 6-Volt Battery-Powered Ride-On Yellow Drives on grass and hard surfaces ~ 1 speed plus reverse Maximum speed of 2.5 mph ~ 6-volt battery required (included) Dimensions: 47"L x 21"W x 25"H ~ Maximum weight: 50 lbs Adult assembly required for this Fisher Price Ford 6-Volt F150 Ride On