Tank trailer is addition to Big Rig. It has special hook to connect trailer with vehicle. Big Rig and Tank trailer is a perfect combination for your collection. You are purchasing the tank trailer only. The Big Rig is sold separately. 
   The mechanical 3d puzzle kit was developed using new improved parts. In the process of assembling, you will feel like a designer who makes a car into a real model.
Please feel free to contact me with any questions that you may have. Our home is smoke and pet free.
 All packages shipped with delivery confirmation. All sales are final. Please contact me before leaving feedback if you are not satisfied with your purchase.I want you to be happy with your purchase. Buyer must pay me within 3 days of purchase or at least notify me of payment date. I accept Pay Pal payments only. Thank you so much for visiting my site!! HAPPY  SHOPPING !!