A Main Hobbies’ Silver Dollar RC Raceway Will Host 1/10-scale Electric World’s Warm Up June 6th-9th, 2013. Chico, Ca,  – 1/10-scale off-road racers will have their first crack at the new soil used for A Main Hobbies’ Silver Dollar RC Raceway at the upcoming World’s Warm-Up Race June 6th-9th. World-renowned track builder Joey Christensen will […]