77pcs Plastic Gear Motor Gearbox Model Craft DIY Four-wheel Drive Car Auto Robot Children Rack Pulley Belt Scientific Experiment

Model Type: Single-layer gear 14 species: 82A 92A 102A (three white yellow blue) 112A 122A 132A 142A 152A 162A 182A 202A 102A long section of orange and red Single-layer gear 5 kinds: 562A Blue 502A Soft orange 542A 482A 442A Crown gear 4 kinds: C322A C20082A C36082B former C24102B Double gear 6 kinds: 22082B 24122B 24102B 20102B 30162A 50102A 7 kinds of pulleys: 62A Orange Red 102B 9.32A 132A 182A Red 242AB Blue 302A Worm, three kinds of a total of 4 kinds: W6 * 62A W6 * 102A Tee green, the three links through the blue Motor, a total of 9 kinds of chassis parts: 130 motor, motor bracket, 2mm axles (2 each), yellow window plate, angle iron (4), 2A shaft sleeve (4), 302A blue wheel (4), M2.3 screw A Rubber band 1 (3 models): Small color (2), green (2), red (2)