LEGO DUPLO: Thomas Bridge and Tunnel Set (65766) for sale online | eBay
Train Tunnel : Original Box 2938-1 | BrickLink
LEGO Duplo 65766 Thomas & Friends Bridge & Tunnel Set : Toys & Games - Amazon.com
Amazon.com: Lego Tubes Experiment DUPLO Set 9076, Fun STEM Educational Toy, STEAM Learning for Girls and Boys Ages 1.5 and up (142 Pieces) : Toys & Games