Ajax Scientific ME213-0001S Plastic Gear Worm, 1.3cm Diameter x 3.3cm Length, Large, Blue (Pack of 10)

Ajax Scientific Plastic Gear Worm, 0.82cm Diameter x 2.46cm Length, Small, Red (Pack of 10)

Ajax Scientific Plastic Gear with 20 Teeth (Pack of 10)

Ajax Scientific Plastic Gear with 10 Teeth (Pack of 10)

Ajax Scientific Plastic Gear with 50 Teeth (Pack of 10)

GREEN FABWOOD 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear (Original Version)

Ajax Scientific Plastic Gear with 40 Teeth (Pack of 10)