Quantity:FN488 64 pcs Spindle teeth 10 pcs; Crown gear 11 pcs; Single-layer gear 12 pcs; Double gear 19 pcs; Pulleys 8 PCS; Worm 2 kindsPCS;Three-way sleeve 1 pcs; Scattered teeth 1 pcs Quantity:FN489 78 pcs Axle? 8pcs 30mm x 2pcs 50mm x 2pcs 70mmx 2pcs 100mm x2pcs Wheel: 4pcs outer diameter 30mm, bore 2mm Yellow Gearwheel: 36mm Crown gear: 2.5mm x 2, 3mm (C303A) x 1 Axle length of 30mm, 50mm, 70mm, 100mm, shaft diameter is 2mm, the two Five wheel wheels: 4 outer diameter 30mm, bore 2mm" " Gears are mostly 2mm aperture (tight or loose), in addition to a 81.5A spindle hole is 1.5mm, there are two crown is 2.5mm, there is a crown gear C303A is 3mm, a 15 teeth 2.3mm hole and 3.17mm hole Quantity:FN490 85 pcs Four kinds of sector gears: 28-tooth fan, 21-tooth fan, 15-tooth fan, 12-tooth fan Worm gear three: 6-6,6-7,6-8 Four blue spindles: D hole 3,4mm hole, hole 2.3,3.17mm hole spindle A large pulley: 363A2AB pink pulley Two kinds of clutch gear: 163A clutch teeth, 263B clutch gear Multi-color sleeve four: three three (blue, green, yellow), a white one A long section of a main gear: 102A long section" " Coupled with the other gear: a copper gear, a bevel gear, a rack, bushings 3, a belt count of 1, 19 double gear, spindle gear 8, 4 kinds of pulleys, single-layer gear 15 kinds, 14 kinds of crown gear. (Covers a variety of new gear example: 502A, 422.5A, 442A, C36082B before, C282.5A, etc.) Material: Plastic It's suitable for DIY hobby,covering all kinds of gears, can also learn, you can also teach, but also DIY model toys" ***************************** ---------------------------------- Shipping : We will ship your items as soon as possible. Please ensure the shipping address you attached is correct. This is international shipping ! Shipping usually cost 12-18 working days ( 2-3weeks) by Airmail from post office. Or you can contact me to upgrade shipping to Express which can arrive in a week. I always ship it on time but please allow 5-10 days delay, sometimes there is a delay because of the delay in Customs. ***************************** ---------------------------------- Payment method: The Paypal is only available. ***************************** ---------------------------------- Communication If satisfied by our products,please give us the constructive feedback. Your feedback will be one of the most valuable things to us. If not satisfied about our products or needing more information, please feel free to e-mail to us.