Here is a brand new old stock Set of 3 vintage Revell SP-90 1/24 Brass Chassis / Motor Slot Car Combination R-3386 that includes the SP-90 28,000 RPM @ 12 Volts Motor and a 100% Brass Chassis with low center of gravity, lightweight, swing pickup, precision sintered. bronze bearings, accurate bearing and axle alignment, found NOC NOS 1965 from a original sealed Factory Case manufactured by Revell of Venice California, Made in USA Motor made in Japan.