Description: Motor gear package, 69 kinds, 90 pieces in total. Equipped with 130 motor, 260 motor, 300 motor, all of which are often required for toys. Others include single-layer gears, double-layer gears, crown gears, main shaft gears, worm gears, and pulleys, fixed brackets, belts, axle sleeve, axle, switch, battery box, propeller. The motor shaft diameter is 2mm and all gears are 2mm holes. Start and enjoy DIY fun! Specification: 69 kinds of gear package kit Single gear: 9 kinds 82A 102A 112A 122A 132A 142A 182A yellow102A blue102A Single gear: 11 kinds 202A 242A 282A 302A 322A 362A 402A 422A 802A 482A 562A Double Gear: 14 kinds 16102B 18102A 20082B 20102B 22082A 22102B 24122B 28102B 30162A 30122B 32082B 40102B 46082A 50102A Crown Gear: 7 kinds C152A C282A C322A C20082A C24102A C30102B C40102B Pulleys: 6 kinds 102B 62A 132A 182A 16.82A 242AB Worm, sleeves: 3 kinds W6*62A W6*82A 2mm sleeves (10pcs) Motor: 7 kinds - 130 motor, 260 motor, 300 motor, 25mm support, 130 iron support,2pcs AA battery case, slide switch Wheel Axle: 4 kinds - 35mm green wheel(4pcs), red rubber wheel(4pcs), 2 x 100 axle (2pcs), 2 x 50 axle (2pcs), 2 x 30 axle (2pcs) Propeller: 3 kinds - 30mm 3-leaf blue, 40mm 4-leaf yellow, 80mm 3-leaf red Rubber band (3 types) colorful (2pcs), black (2pcs), white (2pcs) Package Includes: 69 Kinds of gear package kit (90 pieces in total)