Image Item No. Description By  3647  Technic, Gear 8 Tooth Catalog: Parts: Technic, Gear 9  10928  Technic, Gear 8 Tooth with Dual Face Catalog: Parts: Technic, Gear 2  6589  Technic, Gear 12 Tooth Bevel Catalog: Parts: Technic, Gear 26  32270  Technic, Gear 12 Tooth Double Bevel Catalog: Parts: Technic, Gear 42  94925  Technic, Gear 16 Tooth - Axle Hole with Closed Sides Catalog: Parts: Technic, Gear 42  4019  Technic, Gear 16 Tooth - Axle Hole with Open Sides Catalog: Parts: Technic, Gear 13  32198  Technic, Gear 20 Tooth Bevel Catalog: Parts: Technic, Gear 8  87407  Technic, Gear 20 Tooth Bevel with Pin Hole Catalog: Parts: Technic, Gear 9  32269  Technic, Gear 20 Tooth Double Bevel Catalog: Parts: Technic, Gear 19  3650b  Technic, Gear 24 Tooth Crown - Reinforced Catalog: Parts: Technic, Gear 7  3648  Technic, Gear 24 Tooth with 1 Axle Hole Catalog: Parts: Technic, Gear 6  3649  Technic, Gear 40 Tooth Catalog: Parts: Technic, Gear 35  62821b  Technic, Gear Differential 28 Tooth Bevel - Inner Tabs with Closed Center Catalog: Parts: Technic, Gear 1  3743  Technic, Gear Rack 1 x 4 Catalog: Parts: Technic, Gear 10  6592  Technic, Gear Rack 1 x 10 with Holes Catalog: Parts: Technic, Gear 1  32060  Technic, Gear Timing Wheel 8 Tooth Catalog: Parts: Technic, Gear 39  4716  Technic, Gear Worm Screw, Long Catalog: Parts: Technic, Gear 6