The XIAPIA 3in1 Toddler Tricycle is designed for children aged 18 months to 5 years, with adjustable seat and detachable pedal options to cater to different developmental stages. This tricycle is suitable for both boys and girls, weighing 10.25 pounds and packaged at 17.17 x 13.54 x 7.95 inches. It provides a safe and fun mode of transportation for toddlers, allowing them to learn and develop their balance and motor skills while enjoying the freedom of riding.