California Insect Bots.
Practice Sessions.
RFL Events.
 A Great Education.
Dave's Hubs.
Campbell Tool & Supply, 569 Charcot Ave. San Jose,CA, 408-432-4890 They do not do Internet sales as of yet but they will do phone sales and ship it to you VIA UPS.

As well as your local hardware store, hobby shop, metal distributor, & machine shop.