2441J Bicycle Wheel 12 (suitable for 2-4 years): $45, Wheel 14 (suitable for 3-5 years): $50, Wheel 16 (suitable for 4-7 years): $54, Wheel 18 (suitable for 5-9 years): $59. Comes with a front light, adjustable seat height, removable training wheels, and a free air pump.