LEGO Flexible Axle Rod 12 16 19 Choose Length and Colour (Pack of 1) 32200 32235 | eBay
Amazon.com: City Train Tracks Accessories Straight and Flexible Train Tracks Railroad Building Toy Compatible with Major Brand (56pcs(36 Straight and 20 Flexible)) : Toys & Games
LEGO Light Gray Flexible Hose 1 x 12 with Black Ends | Brick Owl - LEGO Marketplace