This blog post about FirstBIKE balance bike for kids is brought to you by FirstBIKE. All opinions expressed are 100% my own. I would say that the FirstBIKE Balance STREET Bike is the hit of the summer at my house...but summer has not even started yet! This awesome training bike has already skyrocketed to the top of my 3-year-old's Favorite Activity Ever list. He wakes up wanting to ride his FirstBIKE and would sleep next to his FirstBIKE ...