I bought a Big Bug electric Scooter by sun Loff here.  I decided to buy this instead of a Razor because of Razor's reviews.  Razor scooters are basically a piece of plastis garbage.  I wanted something that my son could ride without the battery dying after 10-15 minutes of riding.  So I looked around and found the Big Bug. It is the perfect size and speed for a child that is not a teen.( OK no lie my husband rides this thing so it wouldeven work for a teen). It only goes 10 miles an hour, not 30 like the Razor, so it is a perfect speed. It also goes three hours on one charge.  This scooter even looks like an adults scooter.  Plus it only cost me $50 more than a razor would and considering it had free shipping, I think it night have been the same if you would have to put shipping on a Razor.

If your son is like mine, too big for a power wheel and too little for a car, then this is the perfect solution.