Recommended for ages 1-3 (recommended user height 27 - 43 inches)Converts easily between 2 and 3 wheel modes (no tools needed)Max weight capacity: 55 poundsSeat height: 8.7 inch in 3-wheel mode; 9.8 inch in 2-wheel modeItem weight: 4.16 poundsMade out of high quality, lightweight ABS