Technic Parts for Lego Kit Pneumatic pump Small 6L V2 19476 Building Blocks Sets | eBay
1 Meter 1mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm Id Black Rubber Hose Flexible Soft Silicone Tube Pipe For Aquarium Air Pump - Plumbing Hoses - AliExpress
Uxcell 0.24'' x 0.47'' 3meters Wall Thick 10ft Red Vacuum Silicone Tube Tubing Hose for Engine - Walmart.com
Quickun Pneumatic Tubing 10mm x 6.5mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Black 32.8ft/10Meters) - - Amazon.com
15mm Id 20mm Od 15x20 Red Silicone Tube Silicone Hose Silica Gel Flexible Pipe High Temperature Resistant Silicon Rubber Tubing - Pneumatic Parts - AliExpress
Silicone Tubing 2x4mm - 2m, 5m and 10m Length – Green Gecko Workshop
Sheepo's Garage: Alternative parts for rare soft axles