Technic, Gear Rack 1 x 14 x 2 Housing with Black and Yellow Danger Stripes Pattern Front Side (Sticker) - Set 42078

Technic, Gear 8 Tooth with Dual Face

Technic, Gear Ratchet 9 Tooth with Molded Dark Bluish Gray Outer Section Pattern

Technic, Gear 8 Tooth with Dual Face without Friction

Technic, Gear Worm Screw with 2 Bushes

Technic, Gear 8 Tooth with Pin Holes and Ninjago Flywheel Socket - Short Shaft

Technic, Gear Rack 1 x 14 x 2 Housing