There are several ways to contact Gadget Tom.  E'Mail is the best, since he's not always or often at the phone:

Click Here to send Gadget Tom a E'Mail!   

Or call, evening hours are best between 6:00 PM and 9:00PM PST:

(916) 686-9949

Or fax at:

(916) 686-9949  

Or if nothing else you can write him at:

Gadget Tom's Hobby
9472 Rhone Valley Way
Elk Grove,  CA 95624

That's also the mailing address for checks or money orders, return shipping, etc.