You can call and order the plane block kits (wood with kerfs, axles, wheels, basic instructions)  directly from the supplier which includes shipping and handling.  They also have precut cars (see form), extra wheel kits, Graphite tube, three ounce segmented weights (quarter oz increments) and more.  

 Royal Racers, 192 Lovejoy Road, Sparta, TN 38583 
www.royalracers.com 

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  version February 14, 2010 07:09 PM