I traded a half-built TC-100 for this strange little leg burner. Then my 14-year-old daughter said she wanted to build it. I'm amazed at her talent and natural aptitude for this stuff. She did all the mods and paint herself. I just kind of showed her how to do a few things here and there and let her run with it. She earns money to buy parts and stuff by working part time for the machine shop next door.