TECHNOLOGY: Smart flip frame for long-term use Adjustable seat grows with your child Adjustable handlebar adjusts as skill level improves FEATURES: Helps kids learn to ride Puncture-resistant, air-free wheels Durable metal frame Stage 1 suitable for ages as young as 24 months Stage 2 provides additional practice before transitioning to a “big kid bike” Suitable for kids up to age 5 Dimensions: 10.4��� x 28” x 6.5”