Walmart has 12 Volt Yamaha YXZ Battery Powered Ride-On Toy (blue) on sale for $119. Free site to store pickup.
12V battery
Will go as fast as 5 MPH
Seats the driver as well as a passenger
Easy to assemble
Includes 12V battery and charger
Has 2 speeds forward (2.5 and 5 MPH, max) plus reverse
Rugged tires and roll bars add to the UTV experience
Age Range 3 years