Different Types of Enrichments Enrichment activities address different instinctual needs, like chewing, sniffing, and digging to reduce stress and make the dogs happier. Enrichment can be training new tricks or starting a new sport, walking in a different environment, letting them sniff in a park, or walking on different surfaces. What are enrichment toys? Why are they good? Enrichment toys keep dogs busy and provide different stimuli that are easy to incorporate into the daily routine to make downtime fun.