space key - change an item in the item display! v key - change the color of the parts! (Put your mouse on parts you've already placed to change their color.) c key - make a copy of a piece in the display r key - rotate a copy of a running board piece! s key - change the size of a "body" piece! b key - change the brightness of an object when the mouse is over it! Press the "Run!" button to start your journey! Use the arrow keys to speed up and slow down! Press the "exit!" button to slow down to a halt!
