Took me a second to remember what you meant by training wheels but yeah OK now I see - haha, yep, committed now!
Neat idea and looks great!
I wonder if you're gonna have to put something over that switch though, like a lockable thermostat cover or something of this nature. (If this were in my house there's no way the kids would leave that alone. "Oooh! Sweet cause and effect! More! MORE CAUSE AND EFFECT!!!")