This listing is for ONE 1977 Aurora Ultra5 or Speedsteer OIL SLICK DETOUR OBSTACLE ACCESSORY part #3102. Bulk Race Set packaged, raw mechanism minus cardboard overlay. Original Factory Packaging. Rare to find Aurora Products Corp., West Hempstead NY. Will connect directly to any Aurora Ultra 5 or Speedsteer style slotless TCR system. All are Unused. Decals are dry and will need glue to attach. Sold as is. Buy with confidence please check out my other offbeat slot car related items. Descriptions are very accurate; No Returns. PLEASE ASK BEFORE YOU BUY IF YOU ARE UNSURE. We ship promptly professionally. We happily combine orders refund any excess s/h immediately upon shipping. We can always provide tracking. ************** From I Only ship U. S. Postal Service PRIORITY MAIL TO THE USA due to previous 'lost' packages. ******************* I charge $2 for expert handling/packaging, actual shipping. I ship out of the country almost daily. Please refer to my feedback, rating or time selling HO slots for assurances of a good honest deal. happy motorin' thanks S'lots from Bob. We Know H.O.