Providing environmental enrichment is an important part of good animal welfare. For example, cats whose owners play with them regularly have fewer behaviour problems. We know a lot about enrichment for cats. What about ferrets? Earlier research has shown that more play behaviours are reported when there are more enrichment items. But although ferrets are a popular pet, we know little about their personal preferences. A new study by Marsinah Reijgwart (Utrecht University) et al has important tips for ferret owners.