-Recommended for children aged 3+ and weight not exceed 55 lbs-16 train tracks form a circle track for more fun-Run on indoor and outdoor flat grounds without tracks-Overload protection ensures safe driving-Backrest and anti-tilt device prevent unexpected rollover-6 steels for stable structure and smooth running-Steering wheel requires 2 x 1.5V AA battery (not included)-Realistic train whistle and colorful lights bring interesting driving-Secret box under the seat to store toys snacks or other i