Image Item No. Description  32311  Technic, Arm 1 x 7 x 3 with Gear Ends Catalog: Parts: Technic, Gear  32270  Technic, Gear 12 Tooth Double Bevel Catalog: Parts: Technic, Gear  32269  Technic, Gear 20 Tooth Double Bevel Catalog: Parts: Technic, Gear  60c01  Technic, Gear 24 Tooth Clutch Catalog: Parts: Technic, Gear  3650  Technic, Gear 24 Tooth Crown (Undetermined Type) Catalog: Parts: Technic, Gear  x187  Technic, Gear 24 Tooth with 3 Axle Holes Catalog: Parts: Technic, Gear  x186  Technic, Gear Reduction Block 20x, 3 x 4 x 2 1/3 Catalog: Parts: Technic, Gear  6585  Technic, Gearbox 4 x 4 x 1 2/3 Catalog: Parts: Technic, Gear