Technic Tube - Flexible - LEGO® Hose Ribbed 7 mm D 9L - 7.2 cm - The shop Briques Passion
Flexible LEGO Block Tape and Mat - Rover Education
Amazon.com: LEGO Flexible Train Track 8867 : Toys & Games
LEGO City Tracks 60205 - 20 Pieces Extension Accessory Set, Train Track and Railway Expansion, Compatible with LEGO City Sets, Building Toy for Kids, Great Gift for Train and LEGO City Enthusiasts - Walmart.com