FirstBike Street

This website offers a great array of first bikes in a choice of cool colors. CLICK HERE to see and buy.Priced from 129-199, they come with lots of accessories. This design has won awards. 

Beyond training wheels but not yet ready for a big kids bike? This is a balance bike for the youngest rider on your list. Has a sliding adjustable seat, which gives more flex to than three height options. It’s a short learning curve from this to a regular bike. Very sturdy, with tires set for pavement, gravel and earth.
TIP: The link I gave was for purchases in the US. If you go to their general url HERE, you can choose whatever country you'd like.