This listing is for SIX (6) TYCO Industries Inc. Moorestown, NJ issued in 1989, TYCO TURBO TRAIN CARDBOARD TUNNEL; About 17" long when assembled. Easy assembly with only tape. Entry height of tunnel is  about 1 1/2 inches tall with the tabs 'flat' on the bottom of the tunnel. if you allow the small flaps to extend down, you have just enough clearance for US-1 style dump trucks, which are about the tallest typical HO scale slot car. OVERSIZE SHIPPING DUE TO LARGE FLAT SIZE. Sold as is. Buy with confidence & please check out my other offbeat slot car related items. I will pack your item(s) well & try to ship promptly. Descriptions are very accurate; No Returns. PLEASE ASK BEFORE YOU BUY IF YOU ARE UNSURE. Glad to combine shipping when practical.  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 or less 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.  Questions or issues gladly taken care of. We Know H.O.