By Naomi Haywood, Karen Davies and Lauren Souter Supporting young children’s learning from science objects: the importance of play on gallery By Kylea Little, Felicity McWilliams and Ellie Swinbank ‘South Kensington is practically as far away as Paris or Munich’: the making of industrial collections in Edinburgh, Newcastle and Birmingham By Abigail MacKinnon The BepiColombo ‘model’: looking beyond the ‘original’ By Meredith Greiling Smart and sustainable: collecting urban transport and mobility innovation in the 2020s By Elizabeth Bruton, Jeremy McCarthy and Dermot Turing Zygalski sheets: Polish codebreaking and the role of reconstruction in the Top Secret exhibition at the Science Museum By David H Lee Reports and commands: deciphering a health exhibition using the SPEAKING mnemonic By Imogen Holmes-Roe The Whitworth: a place for Industry and Art By Pippi Carty-Hornsby Preserving skills and knowledge in heritage machinery operations By Kristin Hussey and Martha Biggins Clinical images, imperial power and Bhau Daji’s secret treatment for leprosy at the Royal College of Physicians Museum By Sarah Wade Editorial