@Irish Freight Models brake van on eBay for €52, from the IFM eBay shop:
https://www.ebay.es/itm/267319892862
A pair of IRM 42’ Keg wsgons, no bids, currently €70:
https://www.ebay.es/itm/197534524656
Two of @leslie10646’s wagons, going for slightly more than the original pricing, €47 and €36 respectively:
https://www.ebay.es/itm/277226192332
https://www.ebay.es/itm/286667133199