Well, to own a Tonka Summit, we have to built it, from scratch. from the body works to soldering, 80% is DIY. Tonka Summit is not a Big Boy Toys you can buy Ready-To-Run. Each one of us worked so hard to make things works. Just click the name of succesfully built Tonka Summit to see the details of the built. You can also follow the disscussion on RCGROUP