$18.66
Silicone Heating pad, car Engine Heating mat, 80W Flame Retardant Insulation for semitrailerAmazon$33.33
melissa & doug magnetic car loader wooden toy set with 4 cars and 1 semitrailer truckNewegg$3.00
US Army, Technical Manual, TM 9-2330-398-24P, SEMITRAILER, TANK, 5000-GALLON, FUEL DISPENSING, AUTOMOTIVE M969A2, (NSN 2330-01-377)Amazon$8.01
12V 7 Pin Trailer Plug N-Type Plastic Trailer Adapter, Keenso Round 7-Pole Wiring Plug Weatherproof Connector Adapter Trailer End Connector Black for Trailers Semitrailers CaravansAmazon