| AHM - HO - No.5112-04 Union Pacific 4-6-6-4 Challenger | $113.61 |
| RIVAROSSI 4-6-6-4 CHALLENGER UNION PACIFIC 3977 | $129.16 |
| UNION PACIFIC RAILROAD CHALLENGER DINING CAR PLACEMATS | $4.99 |
| HO BRASS UNION PACIFIC CHALLENGER 4 6 6 4 | $256.00 |
| HO SCALE-AHM-Union Pacific CHALLENGER #3977 | $100.01 |
| Union Pacific Challenger orignal Centipede Tender | $151.06 |
| ORIG COLOR SLIDE UNION PACIFIC STEAM #3831 CHALLENGER | $50.00 |
| ORIG COLOR SLIDE UNION PACIFIC STEAM #3703 CHALLENGER | $31.00 |
| ORIG COLOR SLIDE UNION PACIFIC STEAM #X3802 CHALLENGER | $31.00 |
| ORIG COLOR SLIDE UNION PACIFIC STEAM #3802 CHALLENGER | $14.50 |
| MTH RK-1107 UNION PACIFIC CHALLENGER STEAM ENGINE, C8 | $384.98 |
| N SCALE UNION PACIFIC UP "CHALLENGER" 40' DBL DR BOXCAR | $15.10 |
| Nice HO ahm Rivarossi 4-6-6-4 Union Pacific Challenger | $150.00 |
| 1940 Union Pacific Railroad 2 page Ad "The Challenger" | $4.00 |
| 2 UNION PACIFIC ALUMINUM COINS - CHALLENGER, STREAMLINE | $3.95 |