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Hi everybody, I have been carefully watching all trains 7730 on sale in different countries since summer 2017. At the beginning, I realized that the 3 * yellow cones listed in the inventory in bricklink had axle hole: https://www.bricklink.com/catalogItemInv.asp?S=7730-1 The yellow cones 3943a: https://www.bricklink.com/v2/catalog/catalogitem.page?P=3943a&idColor=3#T=C&C=3 This yellow cone 3943a appears in two sets. 3 used for the train 7730 and 2 used in 599-1. But many trains had the other version 3943b with axle hole: https://www.bricklink.com/catalogItemIn.asp?P=3943b&in=S This version is used in two sets. One used in 4982-1 and 2 used in 6954-1. Lego produced both versions since 1979. But there are some doubts on this. Sets in which 3943a appear are produced in 1979, 1980 and 1981 (msotly). This suggests that sometime about 1981-82, Lego replaces 3943a with 3943b. The train 7730 was produced from 1979-82. Then probably, some sets made in 1982 came with 3943b. About one third of the trains i have seen have the version 3943b. As the two versions are as rare as the other, I simply conclude that Lego released some of them with 3943b. It is not likely that so many private sellers lost all the three yellow cones 3943a and then bought or found the other version 3943b and replaced with them. Thus, if you bought this train in your childhood and still have it, could you please comment which version are your yellow cones? If you still have the box, could you check if it is D/F/NL or UK/F/I version? It its also helpful if you tell from what country the train was bought. For learning about different versions of box, see: If you could attach a photo of your train, box(the language part on the right side of the front box) and cone, it would be great and helpful. Also, a photo of the bottom of the motor, if you are sure that the red motor is not switched with another one. Reading the number on the bottom of the motor, we can see in what year it is produced. Here is mine where you can read 38 0 which means week 38 year 1980: This will help me to come up with more evidence to submit a change of inventory request. Regards Here I put some the trains on sale, now or before coming with cones 3943b: https://www.ebay.co.uk/itm/202086086008?clk_rvr_id=1385696026058&rmvSB=true http://www.ebay.ca/itm/Rare-boite-Lego-TRAIN-7730-briques-neuves-jamais-jou%C3%A9/172901510590?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649 https://www.ebay.it/itm/152813017599?ul_noapp=true http://www.ebay.ca/itm/Lego-Eisenbahn-12V-12-Volt-Dampflok-G%C3%BCterzug-7730-mit-BA-OVP-komplett/263014487777?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649