Baby First Steps Activity Walker Baby Walker Trolley Toy Multi-Function. Easy to convert from a sitting activity walker to a walk-behind walker for boys and girls, a separate front rotating wheel for easy handling, a non-slip friction pad on the base, easy-to-grip handle, and stability for baby gymnastics, lightweight Sturdy, and easy to carry. Age:  9 to 36 Months  Material: Plastic, Product Size:  15.74 x 16.5 x 14.17 inches