The Puky LRM will get the youngest possible toddler scooting along in no time - feet off the ground, fully balanced. This one has solid, but very comfy and free running tyres and a tough steel frame. No brakes at this age, as that's what their feet are for. It says two years up on the box and 'does what it says on the tin - this author's (smallish) girl was balancing at two years and three months. Beware: it will bring a tears to your eyes.
Pink, Red and Light Blue
Puky make awesome little 2, 3 and 4 wheeled contraptions designed to get your child mobile from the earliest age. We can endorse these throughly having trained our little ones on these bombproof designs.